Home / 8,041,842.40-12,061,381.20-2,990,552.80

Finding the Fourth Proportional to 8,041,842.40, 12,061,381.20 and 2,990,552.80

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Solution

The fourth proportional to 8,041,842.40, 12,061,381.20 and 2,990,552.80 is: 4,485,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041,842.40 : 12,061,381.20 = 2,990,552.80 : x
  2. Step 2: Convert to fraction form
    8,041,842.40/12,061,381.20 = 2,990,552.80/x
  3. Step 3: Cross multiply
    8,041,842.40x = 12,061,381.20 × 2,990,552.80
  4. Step 4: Simplify right side
    8,041,842.40x = 36,070,197,319,527.36
  5. Step 5: Solve for x
    x = 36,070,197,319,527.36/8,041,842.40
  6. Step 6: Final answer
    x = 4,485,315.12

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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.