Home / 20,541,381.91-28,346,760.61-11,373,827.83

Finding the Fourth Proportional to 20,541,381.91, 28,346,760.61 and 11,373,827.83

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Solution

The fourth proportional to 20,541,381.91, 28,346,760.61 and 11,373,827.83 is: 15,695,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,381.91 : 28,346,760.61 = 11,373,827.83 : x
  2. Step 2: Convert to fraction form
    20,541,381.91/28,346,760.61 = 11,373,827.83/x
  3. Step 3: Cross multiply
    20,541,381.91x = 28,346,760.61 × 11,373,827.83
  4. Step 4: Simplify right side
    20,541,381.91x = 322,411,174,716,365.75
  5. Step 5: Solve for x
    x = 322,411,174,716,365.75/20,541,381.91
  6. Step 6: Final answer
    x = 15,695,690.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.