Home / 39,908,107.20-59,712,688.80-28,420,132.80

Finding the Fourth Proportional to 39,908,107.20, 59,712,688.80 and 28,420,132.80

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Solution

The fourth proportional to 39,908,107.20, 59,712,688.80 and 28,420,132.80 is: 42,523,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908,107.20 : 59,712,688.80 = 28,420,132.80 : x
  2. Step 2: Convert to fraction form
    39,908,107.20/59,712,688.80 = 28,420,132.80/x
  3. Step 3: Cross multiply
    39,908,107.20x = 59,712,688.80 × 28,420,132.80
  4. Step 4: Simplify right side
    39,908,107.20x = 1,697,042,545,541,072.50
  5. Step 5: Solve for x
    x = 1,697,042,545,541,072.50/39,908,107.20
  6. Step 6: Final answer
    x = 42,523,754.31

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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.