Home / 13,479,917.40-20,219,876.10-5,921,645.40

Finding the Fourth Proportional to 13,479,917.40, 20,219,876.10 and 5,921,645.40

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Solution

The fourth proportional to 13,479,917.40, 20,219,876.10 and 5,921,645.40 is: 8,882,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,917.40 : 20,219,876.10 = 5,921,645.40 : x
  2. Step 2: Convert to fraction form
    13,479,917.40/20,219,876.10 = 5,921,645.40/x
  3. Step 3: Cross multiply
    13,479,917.40x = 20,219,876.10 × 5,921,645.40
  4. Step 4: Simplify right side
    13,479,917.40x = 119,734,936,296,134.95
  5. Step 5: Solve for x
    x = 119,734,936,296,134.95/13,479,917.40
  6. Step 6: Final answer
    x = 8,882,468.10

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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.