Home / 20,425,500.28-28,187,247.54-11,258,179.48

Finding the Fourth Proportional to 20,425,500.28, 28,187,247.54 and 11,258,179.48

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Solution

The fourth proportional to 20,425,500.28, 28,187,247.54 and 11,258,179.48 is: 15,536,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,425,500.28 : 28,187,247.54 = 11,258,179.48 : x
  2. Step 2: Convert to fraction form
    20,425,500.28/28,187,247.54 = 11,258,179.48/x
  3. Step 3: Cross multiply
    20,425,500.28x = 28,187,247.54 × 11,258,179.48
  4. Step 4: Simplify right side
    20,425,500.28x = 317,337,091,852,508.50
  5. Step 5: Solve for x
    x = 317,337,091,852,508.50/20,425,500.28
  6. Step 6: Final answer
    x = 15,536,319.18

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1.5x scale

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.