Home / 47,309,693.28-65,275,035.72-27,720,057.12

Finding the Fourth Proportional to 47,309,693.28, 65,275,035.72 and 27,720,057.12

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Solution

The fourth proportional to 47,309,693.28, 65,275,035.72 and 27,720,057.12 is: 38,246,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309,693.28 : 65,275,035.72 = 27,720,057.12 : x
  2. Step 2: Convert to fraction form
    47,309,693.28/65,275,035.72 = 27,720,057.12/x
  3. Step 3: Cross multiply
    47,309,693.28x = 65,275,035.72 × 27,720,057.12
  4. Step 4: Simplify right side
    47,309,693.28x = 1,809,427,718,668,440.25
  5. Step 5: Solve for x
    x = 1,809,427,718,668,440.25/47,309,693.28
  6. Step 6: Final answer
    x = 38,246,447.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.