Home / 10,125,913.62-15,182,719.47-3,970,520.55

Finding the Fourth Proportional to 10,125,913.62, 15,182,719.47 and 3,970,520.55

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Solution

The fourth proportional to 10,125,913.62, 15,182,719.47 and 3,970,520.55 is: 5,953,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,913.62 : 15,182,719.47 = 3,970,520.55 : x
  2. Step 2: Convert to fraction form
    10,125,913.62/15,182,719.47 = 3,970,520.55/x
  3. Step 3: Cross multiply
    10,125,913.62x = 15,182,719.47 × 3,970,520.55
  4. Step 4: Simplify right side
    10,125,913.62x = 60,283,299,660,520.11
  5. Step 5: Solve for x
    x = 60,283,299,660,520.11/10,125,913.62
  6. Step 6: Final answer
    x = 5,953,368.94

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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.