Home / 28,738,513.10-43,107,769.65-25,620,725.90

Finding the Fourth Proportional to 28,738,513.10, 43,107,769.65 and 25,620,725.90

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Solution

The fourth proportional to 28,738,513.10, 43,107,769.65 and 25,620,725.90 is: 38,431,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738,513.10 : 43,107,769.65 = 25,620,725.90 : x
  2. Step 2: Convert to fraction form
    28,738,513.10/43,107,769.65 = 25,620,725.90/x
  3. Step 3: Cross multiply
    28,738,513.10x = 43,107,769.65 × 25,620,725.90
  4. Step 4: Simplify right side
    28,738,513.10x = 1,104,452,350,362,988.88
  5. Step 5: Solve for x
    x = 1,104,452,350,362,988.88/28,738,513.10
  6. Step 6: Final answer
    x = 38,431,088.85

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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.