Home / 13,070,269.67-18,036,872.61-7,189,777.56

Finding the Fourth Proportional to 13,070,269.67, 18,036,872.61 and 7,189,777.56

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Solution

The fourth proportional to 13,070,269.67, 18,036,872.61 and 7,189,777.56 is: 9,921,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,269.67 : 18,036,872.61 = 7,189,777.56 : x
  2. Step 2: Convert to fraction form
    13,070,269.67/18,036,872.61 = 7,189,777.56/x
  3. Step 3: Cross multiply
    13,070,269.67x = 18,036,872.61 × 7,189,777.56
  4. Step 4: Simplify right side
    13,070,269.67x = 129,681,101,862,773.61
  5. Step 5: Solve for x
    x = 129,681,101,862,773.61/13,070,269.67
  6. Step 6: Final answer
    x = 9,921,838.27

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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.