Home / 13,217,062.62-18,233,538.87-8,572,019.22

Finding the Fourth Proportional to 13,217,062.62, 18,233,538.87 and 8,572,019.22

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Solution

The fourth proportional to 13,217,062.62, 18,233,538.87 and 8,572,019.22 is: 11,825,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,062.62 : 18,233,538.87 = 8,572,019.22 : x
  2. Step 2: Convert to fraction form
    13,217,062.62/18,233,538.87 = 8,572,019.22/x
  3. Step 3: Cross multiply
    13,217,062.62x = 18,233,538.87 × 8,572,019.22
  4. Step 4: Simplify right side
    13,217,062.62x = 156,298,245,642,257.09
  5. Step 5: Solve for x
    x = 156,298,245,642,257.09/13,217,062.62
  6. Step 6: Final answer
    x = 11,825,490.29

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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.