Home / 7,107,778.80-10,661,668.20-7,001,490.60

Finding the Fourth Proportional to 7,107,778.80, 10,661,668.20 and 7,001,490.60

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Solution

The fourth proportional to 7,107,778.80, 10,661,668.20 and 7,001,490.60 is: 10,502,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107,778.80 : 10,661,668.20 = 7,001,490.60 : x
  2. Step 2: Convert to fraction form
    7,107,778.80/10,661,668.20 = 7,001,490.60/x
  3. Step 3: Cross multiply
    7,107,778.80x = 10,661,668.20 × 7,001,490.60
  4. Step 4: Simplify right side
    7,107,778.80x = 74,647,569,682,618.91
  5. Step 5: Solve for x
    x = 74,647,569,682,618.91/7,107,778.80
  6. Step 6: Final answer
    x = 10,502,235.90

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Similar ratio
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1.5x scale

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.