Home / 10,134,338.20-15,204,099.30-7,148,354.20

Finding the Fourth Proportional to 10,134,338.20, 15,204,099.30 and 7,148,354.20

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Solution

The fourth proportional to 10,134,338.20, 15,204,099.30 and 7,148,354.20 is: 10,724,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,338.20 : 15,204,099.30 = 7,148,354.20 : x
  2. Step 2: Convert to fraction form
    10,134,338.20/15,204,099.30 = 7,148,354.20/x
  3. Step 3: Cross multiply
    10,134,338.20x = 15,204,099.30 × 7,148,354.20
  4. Step 4: Simplify right side
    10,134,338.20x = 108,684,287,088,372.06
  5. Step 5: Solve for x
    x = 108,684,287,088,372.06/10,134,338.20
  6. Step 6: Final answer
    x = 10,724,359.59

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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.