Home / 7,260,002.20-10,890,003.30-6,693,131.80

Finding the Fourth Proportional to 7,260,002.20, 10,890,003.30 and 6,693,131.80

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Solution

The fourth proportional to 7,260,002.20, 10,890,003.30 and 6,693,131.80 is: 10,039,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,002.20 : 10,890,003.30 = 6,693,131.80 : x
  2. Step 2: Convert to fraction form
    7,260,002.20/10,890,003.30 = 6,693,131.80/x
  3. Step 3: Cross multiply
    7,260,002.20x = 10,890,003.30 × 6,693,131.80
  4. Step 4: Simplify right side
    7,260,002.20x = 72,888,227,389,334.94
  5. Step 5: Solve for x
    x = 72,888,227,389,334.94/7,260,002.20
  6. Step 6: Final answer
    x = 10,039,697.70

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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.