Home / 8,177,686.80-12,266,530.20-8,020,222.80

Finding the Fourth Proportional to 8,177,686.80, 12,266,530.20 and 8,020,222.80

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Solution

The fourth proportional to 8,177,686.80, 12,266,530.20 and 8,020,222.80 is: 12,030,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177,686.80 : 12,266,530.20 = 8,020,222.80 : x
  2. Step 2: Convert to fraction form
    8,177,686.80/12,266,530.20 = 8,020,222.80/x
  3. Step 3: Cross multiply
    8,177,686.80x = 12,266,530.20 × 8,020,222.80
  4. Step 4: Simplify right side
    8,177,686.80x = 98,380,305,186,928.55
  5. Step 5: Solve for x
    x = 98,380,305,186,928.55/8,177,686.80
  6. Step 6: Final answer
    x = 12,030,334.20

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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.