Home / 20,651,056.04-28,498,514.11-11,359,578.04

Finding the Fourth Proportional to 20,651,056.04, 28,498,514.11 and 11,359,578.04

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Solution

The fourth proportional to 20,651,056.04, 28,498,514.11 and 11,359,578.04 is: 15,676,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651,056.04 : 28,498,514.11 = 11,359,578.04 : x
  2. Step 2: Convert to fraction form
    20,651,056.04/28,498,514.11 = 11,359,578.04/x
  3. Step 3: Cross multiply
    20,651,056.04x = 28,498,514.11 × 11,359,578.04
  4. Step 4: Simplify right side
    20,651,056.04x = 323,731,094,956,940.94
  5. Step 5: Solve for x
    x = 323,731,094,956,940.94/20,651,056.04
  6. Step 6: Final answer
    x = 15,676,248.92

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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.