Home / 13,393,006.67-18,486,282.55-8,747,501.86

Finding the Fourth Proportional to 13,393,006.67, 18,486,282.55 and 8,747,501.86

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Solution

The fourth proportional to 13,393,006.67, 18,486,282.55 and 8,747,501.86 is: 12,074,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393,006.67 : 18,486,282.55 = 8,747,501.86 : x
  2. Step 2: Convert to fraction form
    13,393,006.67/18,486,282.55 = 8,747,501.86/x
  3. Step 3: Cross multiply
    13,393,006.67x = 18,486,282.55 × 8,747,501.86
  4. Step 4: Simplify right side
    13,393,006.67x = 161,708,790,980,856.53
  5. Step 5: Solve for x
    x = 161,708,790,980,856.53/13,393,006.67
  6. Step 6: Final answer
    x = 12,074,121.59

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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.