Home / 13,988,169-20,981,290.41-8,597,651.40

Finding the Fourth Proportional to 13,988,169, 20,981,290.41 and 8,597,651.40

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Solution

The fourth proportional to 13,988,169, 20,981,290.41 and 8,597,651.40 is: 12,895,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,169 : 20,981,290.41 = 8,597,651.40 : x
  2. Step 2: Convert to fraction form
    13,988,169/20,981,290.41 = 8,597,651.40/x
  3. Step 3: Cross multiply
    13,988,169x = 20,981,290.41 × 8,597,651.40
  4. Step 4: Simplify right side
    13,988,169x = 180,389,820,867,343.09
  5. Step 5: Solve for x
    x = 180,389,820,867,343.09/13,988,169
  6. Step 6: Final answer
    x = 12,895,885.15

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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.