Home / 7,726,205.40-11,589,308.10-4,870,858.20

Finding the Fourth Proportional to 7,726,205.40, 11,589,308.10 and 4,870,858.20

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Solution

The fourth proportional to 7,726,205.40, 11,589,308.10 and 4,870,858.20 is: 7,306,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726,205.40 : 11,589,308.10 = 4,870,858.20 : x
  2. Step 2: Convert to fraction form
    7,726,205.40/11,589,308.10 = 4,870,858.20/x
  3. Step 3: Cross multiply
    7,726,205.40x = 11,589,308.10 × 4,870,858.20
  4. Step 4: Simplify right side
    7,726,205.40x = 56,449,876,391,211.42
  5. Step 5: Solve for x
    x = 56,449,876,391,211.42/7,726,205.40
  6. Step 6: Final answer
    x = 7,306,287.30

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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.