Home / 28,608,026.80-42,912,040.20-25,472,743.60

Finding the Fourth Proportional to 28,608,026.80, 42,912,040.20 and 25,472,743.60

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Solution

The fourth proportional to 28,608,026.80, 42,912,040.20 and 25,472,743.60 is: 38,209,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,026.80 : 42,912,040.20 = 25,472,743.60 : x
  2. Step 2: Convert to fraction form
    28,608,026.80/42,912,040.20 = 25,472,743.60/x
  3. Step 3: Cross multiply
    28,608,026.80x = 42,912,040.20 × 25,472,743.60
  4. Step 4: Simplify right side
    28,608,026.80x = 1,093,087,397,367,492.88
  5. Step 5: Solve for x
    x = 1,093,087,397,367,492.88/28,608,026.80
  6. Step 6: Final answer
    x = 38,209,115.40

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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.