Home / 40,861,368.24-61,301,020.68-12,109,757.28

Finding the Fourth Proportional to 40,861,368.24, 61,301,020.68 and 12,109,757.28

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Solution

The fourth proportional to 40,861,368.24, 61,301,020.68 and 12,109,757.28 is: 18,167,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861,368.24 : 61,301,020.68 = 12,109,757.28 : x
  2. Step 2: Convert to fraction form
    40,861,368.24/61,301,020.68 = 12,109,757.28/x
  3. Step 3: Cross multiply
    40,861,368.24x = 61,301,020.68 × 12,109,757.28
  4. Step 4: Simplify right side
    40,861,368.24x = 742,340,481,451,060.50
  5. Step 5: Solve for x
    x = 742,340,481,451,060.50/40,861,368.24
  6. Step 6: Final answer
    x = 18,167,293.79

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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.