Home / 28,876,938.30-43,315,407.45-25,629,680.70

Finding the Fourth Proportional to 28,876,938.30, 43,315,407.45 and 25,629,680.70

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Solution

The fourth proportional to 28,876,938.30, 43,315,407.45 and 25,629,680.70 is: 38,444,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,938.30 : 43,315,407.45 = 25,629,680.70 : x
  2. Step 2: Convert to fraction form
    28,876,938.30/43,315,407.45 = 25,629,680.70/x
  3. Step 3: Cross multiply
    28,876,938.30x = 43,315,407.45 × 25,629,680.70
  4. Step 4: Simplify right side
    28,876,938.30x = 1,110,160,062,333,901.25
  5. Step 5: Solve for x
    x = 1,110,160,062,333,901.25/28,876,938.30
  6. Step 6: Final answer
    x = 38,444,521.05

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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.