Home / 10,215,379.28-15,323,124.15-3,026,975.45

Finding the Fourth Proportional to 10,215,379.28, 15,323,124.15 and 3,026,975.45

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Solution

The fourth proportional to 10,215,379.28, 15,323,124.15 and 3,026,975.45 is: 4,540,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,379.28 : 15,323,124.15 = 3,026,975.45 : x
  2. Step 2: Convert to fraction form
    10,215,379.28/15,323,124.15 = 3,026,975.45/x
  3. Step 3: Cross multiply
    10,215,379.28x = 15,323,124.15 × 3,026,975.45
  4. Step 4: Simplify right side
    10,215,379.28x = 46,382,720,542,736.49
  5. Step 5: Solve for x
    x = 46,382,720,542,736.49/10,215,379.28
  6. Step 6: Final answer
    x = 4,540,479.53

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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.