Home / 13,158,753.44-18,141,221.58-9,233,175.92

Finding the Fourth Proportional to 13,158,753.44, 18,141,221.58 and 9,233,175.92

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Solution

The fourth proportional to 13,158,753.44, 18,141,221.58 and 9,233,175.92 is: 12,729,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,753.44 : 18,141,221.58 = 9,233,175.92 : x
  2. Step 2: Convert to fraction form
    13,158,753.44/18,141,221.58 = 9,233,175.92/x
  3. Step 3: Cross multiply
    13,158,753.44x = 18,141,221.58 × 9,233,175.92
  4. Step 4: Simplify right side
    13,158,753.44x = 167,501,090,251,840.34
  5. Step 5: Solve for x
    x = 167,501,090,251,840.34/13,158,753.44
  6. Step 6: Final answer
    x = 12,729,252.13

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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.