Home / 8,531,966.60-12,797,949.90-7,692,158.60

Finding the Fourth Proportional to 8,531,966.60, 12,797,949.90 and 7,692,158.60

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Solution

The fourth proportional to 8,531,966.60, 12,797,949.90 and 7,692,158.60 is: 11,538,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531,966.60 : 12,797,949.90 = 7,692,158.60 : x
  2. Step 2: Convert to fraction form
    8,531,966.60/12,797,949.90 = 7,692,158.60/x
  3. Step 3: Cross multiply
    8,531,966.60x = 12,797,949.90 × 7,692,158.60
  4. Step 4: Simplify right side
    8,531,966.60x = 98,443,860,385,654.14
  5. Step 5: Solve for x
    x = 98,443,860,385,654.14/8,531,966.60
  6. Step 6: Final answer
    x = 11,538,237.90

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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.