Home / 18,872,757.62-28,309,210.23-5,742,306.23

Finding the Fourth Proportional to 18,872,757.62, 28,309,210.23 and 5,742,306.23

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Solution

The fourth proportional to 18,872,757.62, 28,309,210.23 and 5,742,306.23 is: 8,613,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872,757.62 : 28,309,210.23 = 5,742,306.23 : x
  2. Step 2: Convert to fraction form
    18,872,757.62/28,309,210.23 = 5,742,306.23/x
  3. Step 3: Cross multiply
    18,872,757.62x = 28,309,210.23 × 5,742,306.23
  4. Step 4: Simplify right side
    18,872,757.62x = 162,560,154,270,108.75
  5. Step 5: Solve for x
    x = 162,560,154,270,108.75/18,872,757.62
  6. Step 6: Final answer
    x = 8,613,481.80

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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.