Home / 20,180,869.10-30,275,287.40-7,401,484.52

Finding the Fourth Proportional to 20,180,869.10, 30,275,287.40 and 7,401,484.52

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Solution

The fourth proportional to 20,180,869.10, 30,275,287.40 and 7,401,484.52 is: 11,103,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,869.10 : 30,275,287.40 = 7,401,484.52 : x
  2. Step 2: Convert to fraction form
    20,180,869.10/30,275,287.40 = 7,401,484.52/x
  3. Step 3: Cross multiply
    20,180,869.10x = 30,275,287.40 × 7,401,484.52
  4. Step 4: Simplify right side
    20,180,869.10x = 224,082,071,010,310.66
  5. Step 5: Solve for x
    x = 224,082,071,010,310.66/20,180,869.10
  6. Step 6: Final answer
    x = 11,103,687.85

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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.