Home / 8,079,862.20-12,119,793.30-3,290,988.30

Finding the Fourth Proportional to 8,079,862.20, 12,119,793.30 and 3,290,988.30

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Solution

The fourth proportional to 8,079,862.20, 12,119,793.30 and 3,290,988.30 is: 4,936,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079,862.20 : 12,119,793.30 = 3,290,988.30 : x
  2. Step 2: Convert to fraction form
    8,079,862.20/12,119,793.30 = 3,290,988.30/x
  3. Step 3: Cross multiply
    8,079,862.20x = 12,119,793.30 × 3,290,988.30
  4. Step 4: Simplify right side
    8,079,862.20x = 39,886,097,948,718.39
  5. Step 5: Solve for x
    x = 39,886,097,948,718.39/8,079,862.20
  6. Step 6: Final answer
    x = 4,936,482.45

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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.