Home / 40,313,819.52-60,442,377.12-18,725,500.80

Finding the Fourth Proportional to 40,313,819.52, 60,442,377.12 and 18,725,500.80

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Solution

The fourth proportional to 40,313,819.52, 60,442,377.12 and 18,725,500.80 is: 28,075,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313,819.52 : 60,442,377.12 = 18,725,500.80 : x
  2. Step 2: Convert to fraction form
    40,313,819.52/60,442,377.12 = 18,725,500.80/x
  3. Step 3: Cross multiply
    40,313,819.52x = 60,442,377.12 × 18,725,500.80
  4. Step 4: Simplify right side
    40,313,819.52x = 1,131,813,781,114,461.75
  5. Step 5: Solve for x
    x = 1,131,813,781,114,461.75/40,313,819.52
  6. Step 6: Final answer
    x = 28,075,081.81

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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.