Home / 20,536,959.76-28,339,926.70-11,242,748.04

Finding the Fourth Proportional to 20,536,959.76, 28,339,926.70 and 11,242,748.04

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Solution

The fourth proportional to 20,536,959.76, 28,339,926.70 and 11,242,748.04 is: 15,514,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,959.76 : 28,339,926.70 = 11,242,748.04 : x
  2. Step 2: Convert to fraction form
    20,536,959.76/28,339,926.70 = 11,242,748.04/x
  3. Step 3: Cross multiply
    20,536,959.76x = 28,339,926.70 × 11,242,748.04
  4. Step 4: Simplify right side
    20,536,959.76x = 318,618,655,360,168.62
  5. Step 5: Solve for x
    x = 318,618,655,360,168.62/20,536,959.76
  6. Step 6: Final answer
    x = 15,514,402.28

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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.