Home / 21,320,873.79-31,897,164.79-16,148,387.49

Finding the Fourth Proportional to 21,320,873.79, 31,897,164.79 and 16,148,387.49

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Solution

The fourth proportional to 21,320,873.79, 31,897,164.79 and 16,148,387.49 is: 24,158,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,873.79 : 31,897,164.79 = 16,148,387.49 : x
  2. Step 2: Convert to fraction form
    21,320,873.79/31,897,164.79 = 16,148,387.49/x
  3. Step 3: Cross multiply
    21,320,873.79x = 31,897,164.79 × 16,148,387.49
  4. Step 4: Simplify right side
    21,320,873.79x = 515,087,776,861,304.50
  5. Step 5: Solve for x
    x = 515,087,776,861,304.50/21,320,873.79
  6. Step 6: Final answer
    x = 24,158,849.30

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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.