Home / 12,772,220.10-19,158,330.15-12,142,364.10

Finding the Fourth Proportional to 12,772,220.10, 19,158,330.15 and 12,142,364.10

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Solution

The fourth proportional to 12,772,220.10, 19,158,330.15 and 12,142,364.10 is: 18,213,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,220.10 : 19,158,330.15 = 12,142,364.10 : x
  2. Step 2: Convert to fraction form
    12,772,220.10/19,158,330.15 = 12,142,364.10/x
  3. Step 3: Cross multiply
    12,772,220.10x = 19,158,330.15 × 12,142,364.10
  4. Step 4: Simplify right side
    12,772,220.10x = 232,627,420,229,307.59
  5. Step 5: Solve for x
    x = 232,627,420,229,307.59/12,772,220.10
  6. Step 6: Final answer
    x = 18,213,546.15

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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.