Home / 8,511,207.60-12,766,811.40-5,662,081.20

Finding the Fourth Proportional to 8,511,207.60, 12,766,811.40 and 5,662,081.20

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Solution

The fourth proportional to 8,511,207.60, 12,766,811.40 and 5,662,081.20 is: 8,493,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,207.60 : 12,766,811.40 = 5,662,081.20 : x
  2. Step 2: Convert to fraction form
    8,511,207.60/12,766,811.40 = 5,662,081.20/x
  3. Step 3: Cross multiply
    8,511,207.60x = 12,766,811.40 × 5,662,081.20
  4. Step 4: Simplify right side
    8,511,207.60x = 72,286,722,811,885.69
  5. Step 5: Solve for x
    x = 72,286,722,811,885.69/8,511,207.60
  6. Step 6: Final answer
    x = 8,493,121.80

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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.