Home / 13,479,891.90-20,219,837.85-8,944,928.70

Finding the Fourth Proportional to 13,479,891.90, 20,219,837.85 and 8,944,928.70

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Solution

The fourth proportional to 13,479,891.90, 20,219,837.85 and 8,944,928.70 is: 13,417,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,891.90 : 20,219,837.85 = 8,944,928.70 : x
  2. Step 2: Convert to fraction form
    13,479,891.90/20,219,837.85 = 8,944,928.70/x
  3. Step 3: Cross multiply
    13,479,891.90x = 20,219,837.85 × 8,944,928.70
  4. Step 4: Simplify right side
    13,479,891.90x = 180,865,007,893,811.28
  5. Step 5: Solve for x
    x = 180,865,007,893,811.28/13,479,891.90
  6. Step 6: Final answer
    x = 13,417,393.05

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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.