Home / 20,088,924.60-30,140,385.30-8,737,519.80

Finding the Fourth Proportional to 20,088,924.60, 30,140,385.30 and 8,737,519.80

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Solution

The fourth proportional to 20,088,924.60, 30,140,385.30 and 8,737,519.80 is: 13,109,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088,924.60 : 30,140,385.30 = 8,737,519.80 : x
  2. Step 2: Convert to fraction form
    20,088,924.60/30,140,385.30 = 8,737,519.80/x
  3. Step 3: Cross multiply
    20,088,924.60x = 30,140,385.30 × 8,737,519.80
  4. Step 4: Simplify right side
    20,088,924.60x = 263,352,213,338,378.97
  5. Step 5: Solve for x
    x = 263,352,213,338,378.97/20,088,924.60
  6. Step 6: Final answer
    x = 13,109,323.60

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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.