Home / 13,363,228.64-18,441,255.52-7,251,657.12

Finding the Fourth Proportional to 13,363,228.64, 18,441,255.52 and 7,251,657.12

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Solution

The fourth proportional to 13,363,228.64, 18,441,255.52 and 7,251,657.12 is: 10,007,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,228.64 : 18,441,255.52 = 7,251,657.12 : x
  2. Step 2: Convert to fraction form
    13,363,228.64/18,441,255.52 = 7,251,657.12/x
  3. Step 3: Cross multiply
    13,363,228.64x = 18,441,255.52 × 7,251,657.12
  4. Step 4: Simplify right side
    13,363,228.64x = 133,729,661,893,347.30
  5. Step 5: Solve for x
    x = 133,729,661,893,347.30/13,363,228.64
  6. Step 6: Final answer
    x = 10,007,286.82

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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.