Home / 28,052,017.92-38,711,407.68-15,662,301.12

Finding the Fourth Proportional to 28,052,017.92, 38,711,407.68 and 15,662,301.12

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Solution

The fourth proportional to 28,052,017.92, 38,711,407.68 and 15,662,301.12 is: 21,613,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052,017.92 : 38,711,407.68 = 15,662,301.12 : x
  2. Step 2: Convert to fraction form
    28,052,017.92/38,711,407.68 = 15,662,301.12/x
  3. Step 3: Cross multiply
    28,052,017.92x = 38,711,407.68 × 15,662,301.12
  4. Step 4: Simplify right side
    28,052,017.92x = 606,309,723,863,240.62
  5. Step 5: Solve for x
    x = 606,309,723,863,240.62/28,052,017.92
  6. Step 6: Final answer
    x = 21,613,765.03

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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.