Home / 10,557,843.20-15,868,257.60-10,368,886.40

Finding the Fourth Proportional to 10,557,843.20, 15,868,257.60 and 10,368,886.40

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Solution

The fourth proportional to 10,557,843.20, 15,868,257.60 and 10,368,886.40 is: 15,584,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,843.20 : 15,868,257.60 = 10,368,886.40 : x
  2. Step 2: Convert to fraction form
    10,557,843.20/15,868,257.60 = 10,368,886.40/x
  3. Step 3: Cross multiply
    10,557,843.20x = 15,868,257.60 × 10,368,886.40
  4. Step 4: Simplify right side
    10,557,843.20x = 164,536,160,420,336.66
  5. Step 5: Solve for x
    x = 164,536,160,420,336.66/10,557,843.20
  6. Step 6: Final answer
    x = 15,584,258.76

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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.