Home / 8,262,077.40-12,393,116.10-7,702,205.40

Finding the Fourth Proportional to 8,262,077.40, 12,393,116.10 and 7,702,205.40

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Solution

The fourth proportional to 8,262,077.40, 12,393,116.10 and 7,702,205.40 is: 11,553,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,077.40 : 12,393,116.10 = 7,702,205.40 : x
  2. Step 2: Convert to fraction form
    8,262,077.40/12,393,116.10 = 7,702,205.40/x
  3. Step 3: Cross multiply
    8,262,077.40x = 12,393,116.10 × 7,702,205.40
  4. Step 4: Simplify right side
    8,262,077.40x = 95,454,325,748,246.94
  5. Step 5: Solve for x
    x = 95,454,325,748,246.94/8,262,077.40
  6. Step 6: Final answer
    x = 11,553,308.10

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Double scale
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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.