Home / 10,902,042.60-16,353,063.90-8,351,125.80

Finding the Fourth Proportional to 10,902,042.60, 16,353,063.90 and 8,351,125.80

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Solution

The fourth proportional to 10,902,042.60, 16,353,063.90 and 8,351,125.80 is: 12,526,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,042.60 : 16,353,063.90 = 8,351,125.80 : x
  2. Step 2: Convert to fraction form
    10,902,042.60/16,353,063.90 = 8,351,125.80/x
  3. Step 3: Cross multiply
    10,902,042.60x = 16,353,063.90 × 8,351,125.80
  4. Step 4: Simplify right side
    10,902,042.60x = 136,566,493,844,338.62
  5. Step 5: Solve for x
    x = 136,566,493,844,338.62/10,902,042.60
  6. Step 6: Final answer
    x = 12,526,688.70

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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.