Home / 8,020,445.90-12,030,668.85-5,868,109.85

Finding the Fourth Proportional to 8,020,445.90, 12,030,668.85 and 5,868,109.85

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Solution

The fourth proportional to 8,020,445.90, 12,030,668.85 and 5,868,109.85 is: 8,802,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,445.90 : 12,030,668.85 = 5,868,109.85 : x
  2. Step 2: Convert to fraction form
    8,020,445.90/12,030,668.85 = 5,868,109.85/x
  3. Step 3: Cross multiply
    8,020,445.90x = 12,030,668.85 × 5,868,109.85
  4. Step 4: Simplify right side
    8,020,445.90x = 70,597,286,380,773.17
  5. Step 5: Solve for x
    x = 70,597,286,380,773.17/8,020,445.90
  6. Step 6: Final answer
    x = 8,802,164.78

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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.