Home / 28,083,706.20-42,125,559.30-11,906,904.60

Finding the Fourth Proportional to 28,083,706.20, 42,125,559.30 and 11,906,904.60

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Solution

The fourth proportional to 28,083,706.20, 42,125,559.30 and 11,906,904.60 is: 17,860,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,706.20 : 42,125,559.30 = 11,906,904.60 : x
  2. Step 2: Convert to fraction form
    28,083,706.20/42,125,559.30 = 11,906,904.60/x
  3. Step 3: Cross multiply
    28,083,706.20x = 42,125,559.30 × 11,906,904.60
  4. Step 4: Simplify right side
    28,083,706.20x = 501,585,015,806,742.75
  5. Step 5: Solve for x
    x = 501,585,015,806,742.75/28,083,706.20
  6. Step 6: Final answer
    x = 17,860,356.90

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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.