Home / 10,661,439.35-15,992,146.64-3,472,961.72

Finding the Fourth Proportional to 10,661,439.35, 15,992,146.64 and 3,472,961.72

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Solution

The fourth proportional to 10,661,439.35, 15,992,146.64 and 3,472,961.72 is: 5,209,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661,439.35 : 15,992,146.64 = 3,472,961.72 : x
  2. Step 2: Convert to fraction form
    10,661,439.35/15,992,146.64 = 3,472,961.72/x
  3. Step 3: Cross multiply
    10,661,439.35x = 15,992,146.64 × 3,472,961.72
  4. Step 4: Simplify right side
    10,661,439.35x = 55,540,113,030,068.29
  5. Step 5: Solve for x
    x = 55,540,113,030,068.29/10,661,439.35
  6. Step 6: Final answer
    x = 5,209,438.54

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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.