Home / 21,129,954.24-31,649,377.52-14,268,798.73

Finding the Fourth Proportional to 21,129,954.24, 31,649,377.52 and 14,268,798.73

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Solution

The fourth proportional to 21,129,954.24, 31,649,377.52 and 14,268,798.73 is: 21,372,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129,954.24 : 31,649,377.52 = 14,268,798.73 : x
  2. Step 2: Convert to fraction form
    21,129,954.24/31,649,377.52 = 14,268,798.73/x
  3. Step 3: Cross multiply
    21,129,954.24x = 31,649,377.52 × 14,268,798.73
  4. Step 4: Simplify right side
    21,129,954.24x = 451,598,597,762,666.56
  5. Step 5: Solve for x
    x = 451,598,597,762,666.56/21,129,954.24
  6. Step 6: Final answer
    x = 21,372,436.15

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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.