Home / 10,115,707.47-15,175,432.39-3,200,927.80

Finding the Fourth Proportional to 10,115,707.47, 15,175,432.39 and 3,200,927.80

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Solution

The fourth proportional to 10,115,707.47, 15,175,432.39 and 3,200,927.80 is: 4,801,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,707.47 : 15,175,432.39 = 3,200,927.80 : x
  2. Step 2: Convert to fraction form
    10,115,707.47/15,175,432.39 = 3,200,927.80/x
  3. Step 3: Cross multiply
    10,115,707.47x = 15,175,432.39 × 3,200,927.80
  4. Step 4: Simplify right side
    10,115,707.47x = 48,575,463,322,289.64
  5. Step 5: Solve for x
    x = 48,575,463,322,289.64/10,115,707.47
  6. Step 6: Final answer
    x = 4,801,983.79

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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.