Home / 7,244,518.80-10,866,778.20-3,885,286.80

Finding the Fourth Proportional to 7,244,518.80, 10,866,778.20 and 3,885,286.80

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Solution

The fourth proportional to 7,244,518.80, 10,866,778.20 and 3,885,286.80 is: 5,827,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,518.80 : 10,866,778.20 = 3,885,286.80 : x
  2. Step 2: Convert to fraction form
    7,244,518.80/10,866,778.20 = 3,885,286.80/x
  3. Step 3: Cross multiply
    7,244,518.80x = 10,866,778.20 × 3,885,286.80
  4. Step 4: Simplify right side
    7,244,518.80x = 42,220,549,898,987.76
  5. Step 5: Solve for x
    x = 42,220,549,898,987.76/7,244,518.80
  6. Step 6: Final answer
    x = 5,827,930.20

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Double scale
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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.