Home / 10,438,535.63-15,660,055.82-3,151,390.79

Finding the Fourth Proportional to 10,438,535.63, 15,660,055.82 and 3,151,390.79

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Solution

The fourth proportional to 10,438,535.63, 15,660,055.82 and 3,151,390.79 is: 4,727,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,535.63 : 15,660,055.82 = 3,151,390.79 : x
  2. Step 2: Convert to fraction form
    10,438,535.63/15,660,055.82 = 3,151,390.79/x
  3. Step 3: Cross multiply
    10,438,535.63x = 15,660,055.82 × 3,151,390.79
  4. Step 4: Simplify right side
    10,438,535.63x = 49,350,955,587,976.66
  5. Step 5: Solve for x
    x = 49,350,955,587,976.66/10,438,535.63
  6. Step 6: Final answer
    x = 4,727,766.17

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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.