Home / 13,988,154-20,981,267.91-8,597,636.40

Finding the Fourth Proportional to 13,988,154, 20,981,267.91 and 8,597,636.40

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Solution

The fourth proportional to 13,988,154, 20,981,267.91 and 8,597,636.40 is: 12,895,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,154 : 20,981,267.91 = 8,597,636.40 : x
  2. Step 2: Convert to fraction form
    13,988,154/20,981,267.91 = 8,597,636.40/x
  3. Step 3: Cross multiply
    13,988,154x = 20,981,267.91 × 8,597,636.40
  4. Step 4: Simplify right side
    13,988,154x = 180,389,312,701,167.94
  5. Step 5: Solve for x
    x = 180,389,312,701,167.94/13,988,154
  6. Step 6: Final answer
    x = 12,895,862.65

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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.