Home / 15,662,899.39-21,614,475.46-8,693,168.07

Finding the Fourth Proportional to 15,662,899.39, 21,614,475.46 and 8,693,168.07

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Solution

The fourth proportional to 15,662,899.39, 21,614,475.46 and 8,693,168.07 is: 11,996,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662,899.39 : 21,614,475.46 = 8,693,168.07 : x
  2. Step 2: Convert to fraction form
    15,662,899.39/21,614,475.46 = 8,693,168.07/x
  3. Step 3: Cross multiply
    15,662,899.39x = 21,614,475.46 × 8,693,168.07
  4. Step 4: Simplify right side
    15,662,899.39x = 187,898,267,896,937.66
  5. Step 5: Solve for x
    x = 187,898,267,896,937.66/15,662,899.39
  6. Step 6: Final answer
    x = 11,996,391.17

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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.