Home / 8,221,146.39-12,307,150.26-4,972,853.61

Finding the Fourth Proportional to 8,221,146.39, 12,307,150.26 and 4,972,853.61

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Solution

The fourth proportional to 8,221,146.39, 12,307,150.26 and 4,972,853.61 is: 7,444,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,146.39 : 12,307,150.26 = 4,972,853.61 : x
  2. Step 2: Convert to fraction form
    8,221,146.39/12,307,150.26 = 4,972,853.61/x
  3. Step 3: Cross multiply
    8,221,146.39x = 12,307,150.26 × 4,972,853.61
  4. Step 4: Simplify right side
    8,221,146.39x = 61,201,656,599,253.45
  5. Step 5: Solve for x
    x = 61,201,656,599,253.45/8,221,146.39
  6. Step 6: Final answer
    x = 7,444,418.78

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1.5x scale

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.