Home / 21,012,923.30-31,494,890.55-9,654,520.10

Finding the Fourth Proportional to 21,012,923.30, 31,494,890.55 and 9,654,520.10

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Solution

The fourth proportional to 21,012,923.30, 31,494,890.55 and 9,654,520.10 is: 14,470,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,923.30 : 31,494,890.55 = 9,654,520.10 : x
  2. Step 2: Convert to fraction form
    21,012,923.30/31,494,890.55 = 9,654,520.10/x
  3. Step 3: Cross multiply
    21,012,923.30x = 31,494,890.55 × 9,654,520.10
  4. Step 4: Simplify right side
    21,012,923.30x = 304,068,053,862,275.06
  5. Step 5: Solve for x
    x = 304,068,053,862,275.06/21,012,923.30
  6. Step 6: Final answer
    x = 14,470,526.04

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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.