Home / 8,750,575.40-13,125,863.10-7,687,693.40

Finding the Fourth Proportional to 8,750,575.40, 13,125,863.10 and 7,687,693.40

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Solution

The fourth proportional to 8,750,575.40, 13,125,863.10 and 7,687,693.40 is: 11,531,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,575.40 : 13,125,863.10 = 7,687,693.40 : x
  2. Step 2: Convert to fraction form
    8,750,575.40/13,125,863.10 = 7,687,693.40/x
  3. Step 3: Cross multiply
    8,750,575.40x = 13,125,863.10 × 7,687,693.40
  4. Step 4: Simplify right side
    8,750,575.40x = 100,907,611,123,173.55
  5. Step 5: Solve for x
    x = 100,907,611,123,173.55/8,750,575.40
  6. Step 6: Final answer
    x = 11,531,540.10

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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.