Home / 8,220,881.70-12,331,322.55-2,541,680.10

Finding the Fourth Proportional to 8,220,881.70, 12,331,322.55 and 2,541,680.10

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Solution

The fourth proportional to 8,220,881.70, 12,331,322.55 and 2,541,680.10 is: 3,812,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,881.70 : 12,331,322.55 = 2,541,680.10 : x
  2. Step 2: Convert to fraction form
    8,220,881.70/12,331,322.55 = 2,541,680.10/x
  3. Step 3: Cross multiply
    8,220,881.70x = 12,331,322.55 × 2,541,680.10
  4. Step 4: Simplify right side
    8,220,881.70x = 31,342,277,132,016.26
  5. Step 5: Solve for x
    x = 31,342,277,132,016.26/8,220,881.70
  6. Step 6: Final answer
    x = 3,812,520.15

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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.