Home / 8,938,452.20-12,341,235.30-8,367,382.76

Finding the Fourth Proportional to 8,938,452.20, 12,341,235.30 and 8,367,382.76

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Solution

The fourth proportional to 8,938,452.20, 12,341,235.30 and 8,367,382.76 is: 11,552,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,452.20 : 12,341,235.30 = 8,367,382.76 : x
  2. Step 2: Convert to fraction form
    8,938,452.20/12,341,235.30 = 8,367,382.76/x
  3. Step 3: Cross multiply
    8,938,452.20x = 12,341,235.30 × 8,367,382.76
  4. Step 4: Simplify right side
    8,938,452.20x = 103,263,839,486,323.44
  5. Step 5: Solve for x
    x = 103,263,839,486,323.44/8,938,452.20
  6. Step 6: Final answer
    x = 11,552,765.20

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Double scale
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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.