Home / 10,861,696.80-16,292,545.20-7,082,560.80

Finding the Fourth Proportional to 10,861,696.80, 16,292,545.20 and 7,082,560.80

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Solution

The fourth proportional to 10,861,696.80, 16,292,545.20 and 7,082,560.80 is: 10,623,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,696.80 : 16,292,545.20 = 7,082,560.80 : x
  2. Step 2: Convert to fraction form
    10,861,696.80/16,292,545.20 = 7,082,560.80/x
  3. Step 3: Cross multiply
    10,861,696.80x = 16,292,545.20 × 7,082,560.80
  4. Step 4: Simplify right side
    10,861,696.80x = 115,392,941,965,748.16
  5. Step 5: Solve for x
    x = 115,392,941,965,748.16/10,861,696.80
  6. Step 6: Final answer
    x = 10,623,841.20

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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.