Home / 9,538,458.40-13,162,945.38-5,187,451.06

Finding the Fourth Proportional to 9,538,458.40, 13,162,945.38 and 5,187,451.06

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Solution

The fourth proportional to 9,538,458.40, 13,162,945.38 and 5,187,451.06 is: 7,158,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538,458.40 : 13,162,945.38 = 5,187,451.06 : x
  2. Step 2: Convert to fraction form
    9,538,458.40/13,162,945.38 = 5,187,451.06/x
  3. Step 3: Cross multiply
    9,538,458.40x = 13,162,945.38 × 5,187,451.06
  4. Step 4: Simplify right side
    9,538,458.40x = 68,282,134,964,203.10
  5. Step 5: Solve for x
    x = 68,282,134,964,203.10/9,538,458.40
  6. Step 6: Final answer
    x = 7,158,613.28

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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.