Home / 8,167,808.80-12,251,713.20-5,312,461.60

Finding the Fourth Proportional to 8,167,808.80, 12,251,713.20 and 5,312,461.60

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Solution

The fourth proportional to 8,167,808.80, 12,251,713.20 and 5,312,461.60 is: 7,968,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,808.80 : 12,251,713.20 = 5,312,461.60 : x
  2. Step 2: Convert to fraction form
    8,167,808.80/12,251,713.20 = 5,312,461.60/x
  3. Step 3: Cross multiply
    8,167,808.80x = 12,251,713.20 × 5,312,461.60
  4. Step 4: Simplify right side
    8,167,808.80x = 65,086,755,909,213.11
  5. Step 5: Solve for x
    x = 65,086,755,909,213.11/8,167,808.80
  6. Step 6: Final answer
    x = 7,968,692.40

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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.