Home / 20,535,020.80-30,765,206.40-16,727,891.20

Finding the Fourth Proportional to 20,535,020.80, 30,765,206.40 and 16,727,891.20

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Solution

The fourth proportional to 20,535,020.80, 30,765,206.40 and 16,727,891.20 is: 25,061,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,020.80 : 30,765,206.40 = 16,727,891.20 : x
  2. Step 2: Convert to fraction form
    20,535,020.80/30,765,206.40 = 16,727,891.20/x
  3. Step 3: Cross multiply
    20,535,020.80x = 30,765,206.40 × 16,727,891.20
  4. Step 4: Simplify right side
    20,535,020.80x = 514,637,025,404,743.62
  5. Step 5: Solve for x
    x = 514,637,025,404,743.62/20,535,020.80
  6. Step 6: Final answer
    x = 25,061,431.90

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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.