Home / 9,132,548.45-12,603,120.39-5,212,225.86

Finding the Fourth Proportional to 9,132,548.45, 12,603,120.39 and 5,212,225.86

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Solution

The fourth proportional to 9,132,548.45, 12,603,120.39 and 5,212,225.86 is: 7,192,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132,548.45 : 12,603,120.39 = 5,212,225.86 : x
  2. Step 2: Convert to fraction form
    9,132,548.45/12,603,120.39 = 5,212,225.86/x
  3. Step 3: Cross multiply
    9,132,548.45x = 12,603,120.39 × 5,212,225.86
  4. Step 4: Simplify right side
    9,132,548.45x = 65,690,310,013,451.29
  5. Step 5: Solve for x
    x = 65,690,310,013,451.29/9,132,548.45
  6. Step 6: Final answer
    x = 7,192,987.85

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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.