Home / 28,738,512.60-43,107,768.90-25,620,725.40

Finding the Fourth Proportional to 28,738,512.60, 43,107,768.90 and 25,620,725.40

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Solution

The fourth proportional to 28,738,512.60, 43,107,768.90 and 25,620,725.40 is: 38,431,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738,512.60 : 43,107,768.90 = 25,620,725.40 : x
  2. Step 2: Convert to fraction form
    28,738,512.60/43,107,768.90 = 25,620,725.40/x
  3. Step 3: Cross multiply
    28,738,512.60x = 43,107,768.90 × 25,620,725.40
  4. Step 4: Simplify right side
    28,738,512.60x = 1,104,452,309,593,560
  5. Step 5: Solve for x
    x = 1,104,452,309,593,560/28,738,512.60
  6. Step 6: Final answer
    x = 38,431,088.10

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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.