Home / 40,128,247.92-55,380,397.34-22,727,688.60

Finding the Fourth Proportional to 40,128,247.92, 55,380,397.34 and 22,727,688.60

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Solution

The fourth proportional to 40,128,247.92, 55,380,397.34 and 22,727,688.60 is: 31,366,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,247.92 : 55,380,397.34 = 22,727,688.60 : x
  2. Step 2: Convert to fraction form
    40,128,247.92/55,380,397.34 = 22,727,688.60/x
  3. Step 3: Cross multiply
    40,128,247.92x = 55,380,397.34 × 22,727,688.60
  4. Step 4: Simplify right side
    40,128,247.92x = 1,258,668,425,287,788.50
  5. Step 5: Solve for x
    x = 1,258,668,425,287,788.50/40,128,247.92
  6. Step 6: Final answer
    x = 31,366,144.56

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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.