Home / 12,743,149.60-19,114,724.40-3,767,701.60

Finding the Fourth Proportional to 12,743,149.60, 19,114,724.40 and 3,767,701.60

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Solution

The fourth proportional to 12,743,149.60, 19,114,724.40 and 3,767,701.60 is: 5,651,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,149.60 : 19,114,724.40 = 3,767,701.60 : x
  2. Step 2: Convert to fraction form
    12,743,149.60/19,114,724.40 = 3,767,701.60/x
  3. Step 3: Cross multiply
    12,743,149.60x = 19,114,724.40 × 3,767,701.60
  4. Step 4: Simplify right side
    12,743,149.60x = 72,018,577,705,439.03
  5. Step 5: Solve for x
    x = 72,018,577,705,439.03/12,743,149.60
  6. Step 6: Final answer
    x = 5,651,552.40

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Double scale
Find fourth proportional to 12,743,150.60, 19,114,725.90 and 3,767,702.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.