Home / 42,969,773.76-64,464,403.20-14,215,863.84

Finding the Fourth Proportional to 42,969,773.76, 64,464,403.20 and 14,215,863.84

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Solution

The fourth proportional to 42,969,773.76, 64,464,403.20 and 14,215,863.84 is: 21,327,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,969,773.76 : 64,464,403.20 = 14,215,863.84 : x
  2. Step 2: Convert to fraction form
    42,969,773.76/64,464,403.20 = 14,215,863.84/x
  3. Step 3: Cross multiply
    42,969,773.76x = 64,464,403.20 × 14,215,863.84
  4. Step 4: Simplify right side
    42,969,773.76x = 916,417,178,418,060.38
  5. Step 5: Solve for x
    x = 916,417,178,418,060.38/42,969,773.76
  6. Step 6: Final answer
    x = 21,327,018.93

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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.