Home / 10,280,609.44-14,187,028.80-5,696,890.72

Finding the Fourth Proportional to 10,280,609.44, 14,187,028.80 and 5,696,890.72

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Solution

The fourth proportional to 10,280,609.44, 14,187,028.80 and 5,696,890.72 is: 7,861,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280,609.44 : 14,187,028.80 = 5,696,890.72 : x
  2. Step 2: Convert to fraction form
    10,280,609.44/14,187,028.80 = 5,696,890.72/x
  3. Step 3: Cross multiply
    10,280,609.44x = 14,187,028.80 × 5,696,890.72
  4. Step 4: Simplify right side
    10,280,609.44x = 80,821,952,715,092.73
  5. Step 5: Solve for x
    x = 80,821,952,715,092.73/10,280,609.44
  6. Step 6: Final answer
    x = 7,861,591.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.