Home / 13,971,227.90-20,956,841.85-13,309,879.10

Finding the Fourth Proportional to 13,971,227.90, 20,956,841.85 and 13,309,879.10

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Solution

The fourth proportional to 13,971,227.90, 20,956,841.85 and 13,309,879.10 is: 19,964,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,227.90 : 20,956,841.85 = 13,309,879.10 : x
  2. Step 2: Convert to fraction form
    13,971,227.90/20,956,841.85 = 13,309,879.10/x
  3. Step 3: Cross multiply
    13,971,227.90x = 20,956,841.85 × 13,309,879.10
  4. Step 4: Simplify right side
    13,971,227.90x = 278,933,031,341,320.34
  5. Step 5: Solve for x
    x = 278,933,031,341,320.34/13,971,227.90
  6. Step 6: Final answer
    x = 19,964,818.65

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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.