Home / 14,786,970.80-20,376,951.78-11,306,253.38

Finding the Fourth Proportional to 14,786,970.80, 20,376,951.78 and 11,306,253.38

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Solution

The fourth proportional to 14,786,970.80, 20,376,951.78 and 11,306,253.38 is: 15,580,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786,970.80 : 20,376,951.78 = 11,306,253.38 : x
  2. Step 2: Convert to fraction form
    14,786,970.80/20,376,951.78 = 11,306,253.38/x
  3. Step 3: Cross multiply
    14,786,970.80x = 20,376,951.78 × 11,306,253.38
  4. Step 4: Simplify right side
    14,786,970.80x = 230,386,979,936,722.03
  5. Step 5: Solve for x
    x = 230,386,979,936,722.03/14,786,970.80
  6. Step 6: Final answer
    x = 15,580,404.06

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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.