Home / 8,330,851.20-12,496,276.80-2,939,458.80

Finding the Fourth Proportional to 8,330,851.20, 12,496,276.80 and 2,939,458.80

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Solution

The fourth proportional to 8,330,851.20, 12,496,276.80 and 2,939,458.80 is: 4,409,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330,851.20 : 12,496,276.80 = 2,939,458.80 : x
  2. Step 2: Convert to fraction form
    8,330,851.20/12,496,276.80 = 2,939,458.80/x
  3. Step 3: Cross multiply
    8,330,851.20x = 12,496,276.80 × 2,939,458.80
  4. Step 4: Simplify right side
    8,330,851.20x = 36,732,290,806,995.84
  5. Step 5: Solve for x
    x = 36,732,290,806,995.84/8,330,851.20
  6. Step 6: Final answer
    x = 4,409,188.20

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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.