Home / 8,049,528.60-12,042,800.10-5,215,176.60

Finding the Fourth Proportional to 8,049,528.60, 12,042,800.10 and 5,215,176.60

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Solution

The fourth proportional to 8,049,528.60, 12,042,800.10 and 5,215,176.60 is: 7,802,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049,528.60 : 12,042,800.10 = 5,215,176.60 : x
  2. Step 2: Convert to fraction form
    8,049,528.60/12,042,800.10 = 5,215,176.60/x
  3. Step 3: Cross multiply
    8,049,528.60x = 12,042,800.10 × 5,215,176.60
  4. Step 4: Simplify right side
    8,049,528.60x = 62,805,329,279,997.66
  5. Step 5: Solve for x
    x = 62,805,329,279,997.66/8,049,528.60
  6. Step 6: Final answer
    x = 7,802,361.16

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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.