Home / 19,488,373.96-29,231,861.10-5,111,327.56

Finding the Fourth Proportional to 19,488,373.96, 29,231,861.10 and 5,111,327.56

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Solution

The fourth proportional to 19,488,373.96, 29,231,861.10 and 5,111,327.56 is: 7,666,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488,373.96 : 29,231,861.10 = 5,111,327.56 : x
  2. Step 2: Convert to fraction form
    19,488,373.96/29,231,861.10 = 5,111,327.56/x
  3. Step 3: Cross multiply
    19,488,373.96x = 29,231,861.10 × 5,111,327.56
  4. Step 4: Simplify right side
    19,488,373.96x = 149,413,617,270,521.91
  5. Step 5: Solve for x
    x = 149,413,617,270,521.91/19,488,373.96
  6. Step 6: Final answer
    x = 7,666,807.79

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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.