Home / 10,321,353.54-15,480,219.95-3,931,989.30

Finding the Fourth Proportional to 10,321,353.54, 15,480,219.95 and 3,931,989.30

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Solution

The fourth proportional to 10,321,353.54, 15,480,219.95 and 3,931,989.30 is: 5,897,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321,353.54 : 15,480,219.95 = 3,931,989.30 : x
  2. Step 2: Convert to fraction form
    10,321,353.54/15,480,219.95 = 3,931,989.30/x
  3. Step 3: Cross multiply
    10,321,353.54x = 15,480,219.95 × 3,931,989.30
  4. Step 4: Simplify right side
    10,321,353.54x = 60,868,059,205,046.53
  5. Step 5: Solve for x
    x = 60,868,059,205,046.53/10,321,353.54
  6. Step 6: Final answer
    x = 5,897,294.28

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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.