Home / 8,167,510.80-12,251,266.20-5,312,163.60

Finding the Fourth Proportional to 8,167,510.80, 12,251,266.20 and 5,312,163.60

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Solution

The fourth proportional to 8,167,510.80, 12,251,266.20 and 5,312,163.60 is: 7,968,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,510.80 : 12,251,266.20 = 5,312,163.60 : x
  2. Step 2: Convert to fraction form
    8,167,510.80/12,251,266.20 = 5,312,163.60/x
  3. Step 3: Cross multiply
    8,167,510.80x = 12,251,266.20 × 5,312,163.60
  4. Step 4: Simplify right side
    8,167,510.80x = 65,080,730,361,550.31
  5. Step 5: Solve for x
    x = 65,080,730,361,550.31/8,167,510.80
  6. Step 6: Final answer
    x = 7,968,245.40

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1.5x scale

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.