Home / 20,843,769.92-31,219,459.68-16,015,922.24

Finding the Fourth Proportional to 20,843,769.92, 31,219,459.68 and 16,015,922.24

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Solution

The fourth proportional to 20,843,769.92, 31,219,459.68 and 16,015,922.24 is: 23,988,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843,769.92 : 31,219,459.68 = 16,015,922.24 : x
  2. Step 2: Convert to fraction form
    20,843,769.92/31,219,459.68 = 16,015,922.24/x
  3. Step 3: Cross multiply
    20,843,769.92x = 31,219,459.68 × 16,015,922.24
  4. Step 4: Simplify right side
    20,843,769.92x = 500,008,438,609,695.31
  5. Step 5: Solve for x
    x = 500,008,438,609,695.31/20,843,769.92
  6. Step 6: Final answer
    x = 23,988,387.92

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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.