Home / 20,127,576.74-30,163,432.88-9,170,989.91

Finding the Fourth Proportional to 20,127,576.74, 30,163,432.88 and 9,170,989.91

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Solution

The fourth proportional to 20,127,576.74, 30,163,432.88 and 9,170,989.91 is: 13,743,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,576.74 : 30,163,432.88 = 9,170,989.91 : x
  2. Step 2: Convert to fraction form
    20,127,576.74/30,163,432.88 = 9,170,989.91/x
  3. Step 3: Cross multiply
    20,127,576.74x = 30,163,432.88 × 9,170,989.91
  4. Step 4: Simplify right side
    20,127,576.74x = 276,628,538,593,442.25
  5. Step 5: Solve for x
    x = 276,628,538,593,442.25/20,127,576.74
  6. Step 6: Final answer
    x = 13,743,757.74

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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.