Home / 21,253,662.88-31,847,279.25-14,789,368.18

Finding the Fourth Proportional to 21,253,662.88, 31,847,279.25 and 14,789,368.18

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Solution

The fourth proportional to 21,253,662.88, 31,847,279.25 and 14,789,368.18 is: 22,160,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,253,662.88 : 31,847,279.25 = 14,789,368.18 : x
  2. Step 2: Convert to fraction form
    21,253,662.88/31,847,279.25 = 14,789,368.18/x
  3. Step 3: Cross multiply
    21,253,662.88x = 31,847,279.25 × 14,789,368.18
  4. Step 4: Simplify right side
    21,253,662.88x = 471,001,138,275,652.56
  5. Step 5: Solve for x
    x = 471,001,138,275,652.56/21,253,662.88
  6. Step 6: Final answer
    x = 22,160,939.55

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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.