Home / 21,127,125.90-31,714,308.45-16,355,966.70

Finding the Fourth Proportional to 21,127,125.90, 31,714,308.45 and 16,355,966.70

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Solution

The fourth proportional to 21,127,125.90, 31,714,308.45 and 16,355,966.70 is: 24,552,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,125.90 : 31,714,308.45 = 16,355,966.70 : x
  2. Step 2: Convert to fraction form
    21,127,125.90/31,714,308.45 = 16,355,966.70/x
  3. Step 3: Cross multiply
    21,127,125.90x = 31,714,308.45 × 16,355,966.70
  4. Step 4: Simplify right side
    21,127,125.90x = 518,718,172,921,728.56
  5. Step 5: Solve for x
    x = 518,718,172,921,728.56/21,127,125.90
  6. Step 6: Final answer
    x = 24,552,235.61

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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.