Home / 20,157,531.92-27,816,592.81-11,900,254.11

Finding the Fourth Proportional to 20,157,531.92, 27,816,592.81 and 11,900,254.11

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Solution

The fourth proportional to 20,157,531.92, 27,816,592.81 and 11,900,254.11 is: 16,421,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,531.92 : 27,816,592.81 = 11,900,254.11 : x
  2. Step 2: Convert to fraction form
    20,157,531.92/27,816,592.81 = 11,900,254.11/x
  3. Step 3: Cross multiply
    20,157,531.92x = 27,816,592.81 × 11,900,254.11
  4. Step 4: Simplify right side
    20,157,531.92x = 331,024,522,913,398.94
  5. Step 5: Solve for x
    x = 331,024,522,913,398.94/20,157,531.92
  6. Step 6: Final answer
    x = 16,421,877.65

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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.