Home / 52,689,355.68-72,712,171.78-28,846,585.12

Finding the Fourth Proportional to 52,689,355.68, 72,712,171.78 and 28,846,585.12

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Solution

The fourth proportional to 52,689,355.68, 72,712,171.78 and 28,846,585.12 is: 39,808,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,355.68 : 72,712,171.78 = 28,846,585.12 : x
  2. Step 2: Convert to fraction form
    52,689,355.68/72,712,171.78 = 28,846,585.12/x
  3. Step 3: Cross multiply
    52,689,355.68x = 72,712,171.78 × 28,846,585.12
  4. Step 4: Simplify right side
    52,689,355.68x = 2,097,497,852,856,979
  5. Step 5: Solve for x
    x = 2,097,497,852,856,979/52,689,355.68
  6. Step 6: Final answer
    x = 39,808,758.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.