Home / 8,041,809.40-12,061,331.70-2,990,519.80

Finding the Fourth Proportional to 8,041,809.40, 12,061,331.70 and 2,990,519.80

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Solution

The fourth proportional to 8,041,809.40, 12,061,331.70 and 2,990,519.80 is: 4,485,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041,809.40 : 12,061,331.70 = 2,990,519.80 : x
  2. Step 2: Convert to fraction form
    8,041,809.40/12,061,331.70 = 2,990,519.80/x
  3. Step 3: Cross multiply
    8,041,809.40x = 12,061,331.70 × 2,990,519.80
  4. Step 4: Simplify right side
    8,041,809.40x = 36,069,651,263,217.66
  5. Step 5: Solve for x
    x = 36,069,651,263,217.66/8,041,809.40
  6. Step 6: Final answer
    x = 4,485,265.62

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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.