Home / 13,247,227.89-18,281,693.12-7,445,991.69

Finding the Fourth Proportional to 13,247,227.89, 18,281,693.12 and 7,445,991.69

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Solution

The fourth proportional to 13,247,227.89, 18,281,693.12 and 7,445,991.69 is: 10,275,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,227.89 : 18,281,693.12 = 7,445,991.69 : x
  2. Step 2: Convert to fraction form
    13,247,227.89/18,281,693.12 = 7,445,991.69/x
  3. Step 3: Cross multiply
    13,247,227.89x = 18,281,693.12 × 7,445,991.69
  4. Step 4: Simplify right side
    13,247,227.89x = 136,125,335,013,420.20
  5. Step 5: Solve for x
    x = 136,125,335,013,420.20/13,247,227.89
  6. Step 6: Final answer
    x = 10,275,760.04

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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.