Home / 10,661,438.35-15,992,145.14-3,472,960.72

Finding the Fourth Proportional to 10,661,438.35, 15,992,145.14 and 3,472,960.72

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Solution

The fourth proportional to 10,661,438.35, 15,992,145.14 and 3,472,960.72 is: 5,209,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661,438.35 : 15,992,145.14 = 3,472,960.72 : x
  2. Step 2: Convert to fraction form
    10,661,438.35/15,992,145.14 = 3,472,960.72/x
  3. Step 3: Cross multiply
    10,661,438.35x = 15,992,145.14 × 3,472,960.72
  4. Step 4: Simplify right side
    10,661,438.35x = 55,540,091,828,480.58
  5. Step 5: Solve for x
    x = 55,540,091,828,480.58/10,661,438.35
  6. Step 6: Final answer
    x = 5,209,437.04

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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.