Home / 9,165,151.20-13,762,414.80-7,287,506.40

Finding the Fourth Proportional to 9,165,151.20, 13,762,414.80 and 7,287,506.40

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Solution

The fourth proportional to 9,165,151.20, 13,762,414.80 and 7,287,506.40 is: 10,942,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,151.20 : 13,762,414.80 = 7,287,506.40 : x
  2. Step 2: Convert to fraction form
    9,165,151.20/13,762,414.80 = 7,287,506.40/x
  3. Step 3: Cross multiply
    9,165,151.20x = 13,762,414.80 × 7,287,506.40
  4. Step 4: Simplify right side
    9,165,151.20x = 100,293,685,934,454.73
  5. Step 5: Solve for x
    x = 100,293,685,934,454.73/9,165,151.20
  6. Step 6: Final answer
    x = 10,942,938.50

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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.