Home / 8,200,538.80-12,307,806.60-3,658,577.20

Finding the Fourth Proportional to 8,200,538.80, 12,307,806.60 and 3,658,577.20

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Solution

The fourth proportional to 8,200,538.80, 12,307,806.60 and 3,658,577.20 is: 5,490,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,538.80 : 12,307,806.60 = 3,658,577.20 : x
  2. Step 2: Convert to fraction form
    8,200,538.80/12,307,806.60 = 3,658,577.20/x
  3. Step 3: Cross multiply
    8,200,538.80x = 12,307,806.60 × 3,658,577.20
  4. Step 4: Simplify right side
    8,200,538.80x = 45,029,060,608,769.52
  5. Step 5: Solve for x
    x = 45,029,060,608,769.52/8,200,538.80
  6. Step 6: Final answer
    x = 5,490,988.06

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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.