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Finding the Fourth Proportional to 8,708,489.40, 13,062,734.10 and 4,447,241.40

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Solution

The fourth proportional to 8,708,489.40, 13,062,734.10 and 4,447,241.40 is: 6,670,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,489.40 : 13,062,734.10 = 4,447,241.40 : x
  2. Step 2: Convert to fraction form
    8,708,489.40/13,062,734.10 = 4,447,241.40/x
  3. Step 3: Cross multiply
    8,708,489.40x = 13,062,734.10 × 4,447,241.40
  4. Step 4: Simplify right side
    8,708,489.40x = 58,093,131,886,711.74
  5. Step 5: Solve for x
    x = 58,093,131,886,711.74/8,708,489.40
  6. Step 6: Final answer
    x = 6,670,862.10

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Similar ratio
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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.