Home / 28,739,512.80-43,109,269.20-25,905,160.80

Finding the Fourth Proportional to 28,739,512.80, 43,109,269.20 and 25,905,160.80

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Solution

The fourth proportional to 28,739,512.80, 43,109,269.20 and 25,905,160.80 is: 38,857,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,512.80 : 43,109,269.20 = 25,905,160.80 : x
  2. Step 2: Convert to fraction form
    28,739,512.80/43,109,269.20 = 25,905,160.80/x
  3. Step 3: Cross multiply
    28,739,512.80x = 43,109,269.20 × 25,905,160.80
  4. Step 4: Simplify right side
    28,739,512.80x = 1,116,752,550,596,487.50
  5. Step 5: Solve for x
    x = 1,116,752,550,596,487.50/28,739,512.80
  6. Step 6: Final answer
    x = 38,857,741.20

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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.