Home / 8,904,076.88-12,290,791.12-5,417,823.92

Finding the Fourth Proportional to 8,904,076.88, 12,290,791.12 and 5,417,823.92

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Solution

The fourth proportional to 8,904,076.88, 12,290,791.12 and 5,417,823.92 is: 7,478,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904,076.88 : 12,290,791.12 = 5,417,823.92 : x
  2. Step 2: Convert to fraction form
    8,904,076.88/12,290,791.12 = 5,417,823.92/x
  3. Step 3: Cross multiply
    8,904,076.88x = 12,290,791.12 × 5,417,823.92
  4. Step 4: Simplify right side
    8,904,076.88x = 66,589,342,125,659.59
  5. Step 5: Solve for x
    x = 66,589,342,125,659.59/8,904,076.88
  6. Step 6: Final answer
    x = 7,478,522.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.