Home / 12,386,454.53-17,099,520.13-7,742,822.73

Finding the Fourth Proportional to 12,386,454.53, 17,099,520.13 and 7,742,822.73

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Solution

The fourth proportional to 12,386,454.53, 17,099,520.13 and 7,742,822.73 is: 10,688,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386,454.53 : 17,099,520.13 = 7,742,822.73 : x
  2. Step 2: Convert to fraction form
    12,386,454.53/17,099,520.13 = 7,742,822.73/x
  3. Step 3: Cross multiply
    12,386,454.53x = 17,099,520.13 × 7,742,822.73
  4. Step 4: Simplify right side
    12,386,454.53x = 132,398,553,115,299.52
  5. Step 5: Solve for x
    x = 132,398,553,115,299.52/12,386,454.53
  6. Step 6: Final answer
    x = 10,688,979.06

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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.