Home / 13,988,175-20,981,299.38-8,597,657.40

Finding the Fourth Proportional to 13,988,175, 20,981,299.38 and 8,597,657.40

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Solution

The fourth proportional to 13,988,175, 20,981,299.38 and 8,597,657.40 is: 12,895,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,175 : 20,981,299.38 = 8,597,657.40 : x
  2. Step 2: Convert to fraction form
    13,988,175/20,981,299.38 = 8,597,657.40/x
  3. Step 3: Cross multiply
    13,988,175x = 20,981,299.38 × 8,597,657.40
  4. Step 4: Simplify right side
    13,988,175x = 180,390,023,876,072.41
  5. Step 5: Solve for x
    x = 180,390,023,876,072.41/13,988,175
  6. Step 6: Final answer
    x = 12,895,894.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.