Home / 13,135,832.56-18,127,340.72-7,175,244.30

Finding the Fourth Proportional to 13,135,832.56, 18,127,340.72 and 7,175,244.30

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Solution

The fourth proportional to 13,135,832.56, 18,127,340.72 and 7,175,244.30 is: 9,901,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,832.56 : 18,127,340.72 = 7,175,244.30 : x
  2. Step 2: Convert to fraction form
    13,135,832.56/18,127,340.72 = 7,175,244.30/x
  3. Step 3: Cross multiply
    13,135,832.56x = 18,127,340.72 × 7,175,244.30
  4. Step 4: Simplify right side
    13,135,832.56x = 130,068,098,175,337.89
  5. Step 5: Solve for x
    x = 130,068,098,175,337.89/13,135,832.56
  6. Step 6: Final answer
    x = 9,901,778.02

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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.