Home / 21,314,614.20-31,967,098.98-9,789,001.08

Finding the Fourth Proportional to 21,314,614.20, 31,967,098.98 and 9,789,001.08

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Solution

The fourth proportional to 21,314,614.20, 31,967,098.98 and 9,789,001.08 is: 14,681,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,614.20 : 31,967,098.98 = 9,789,001.08 : x
  2. Step 2: Convert to fraction form
    21,314,614.20/31,967,098.98 = 9,789,001.08/x
  3. Step 3: Cross multiply
    21,314,614.20x = 31,967,098.98 × 9,789,001.08
  4. Step 4: Simplify right side
    21,314,614.20x = 312,925,966,439,686.88
  5. Step 5: Solve for x
    x = 312,925,966,439,686.88/21,314,614.20
  6. Step 6: Final answer
    x = 14,681,286.91

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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.