Home / 8,347,753.60-12,519,988.80-2,666,446.72

Finding the Fourth Proportional to 8,347,753.60, 12,519,988.80 and 2,666,446.72

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Solution

The fourth proportional to 8,347,753.60, 12,519,988.80 and 2,666,446.72 is: 3,999,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347,753.60 : 12,519,988.80 = 2,666,446.72 : x
  2. Step 2: Convert to fraction form
    8,347,753.60/12,519,988.80 = 2,666,446.72/x
  3. Step 3: Cross multiply
    8,347,753.60x = 12,519,988.80 × 2,666,446.72
  4. Step 4: Simplify right side
    8,347,753.60x = 33,383,883,070,196.74
  5. Step 5: Solve for x
    x = 33,383,883,070,196.74/8,347,753.60
  6. Step 6: Final answer
    x = 3,999,145.72

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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.