Home / 13,158,752.44-18,141,220.20-9,233,174.92

Finding the Fourth Proportional to 13,158,752.44, 18,141,220.20 and 9,233,174.92

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Solution

The fourth proportional to 13,158,752.44, 18,141,220.20 and 9,233,174.92 is: 12,729,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,752.44 : 18,141,220.20 = 9,233,174.92 : x
  2. Step 2: Convert to fraction form
    13,158,752.44/18,141,220.20 = 9,233,174.92/x
  3. Step 3: Cross multiply
    13,158,752.44x = 18,141,220.20 × 9,233,174.92
  4. Step 4: Simplify right side
    13,158,752.44x = 167,501,059,368,837.38
  5. Step 5: Solve for x
    x = 167,501,059,368,837.38/13,158,752.44
  6. Step 6: Final answer
    x = 12,729,250.75

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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.