Home / 38,395,792.80-57,593,689.20-28,192,125.60

Finding the Fourth Proportional to 38,395,792.80, 57,593,689.20 and 28,192,125.60

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Solution

The fourth proportional to 38,395,792.80, 57,593,689.20 and 28,192,125.60 is: 42,288,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395,792.80 : 57,593,689.20 = 28,192,125.60 : x
  2. Step 2: Convert to fraction form
    38,395,792.80/57,593,689.20 = 28,192,125.60/x
  3. Step 3: Cross multiply
    38,395,792.80x = 57,593,689.20 × 28,192,125.60
  4. Step 4: Simplify right side
    38,395,792.80x = 1,623,688,519,693,763.75
  5. Step 5: Solve for x
    x = 1,623,688,519,693,763.75/38,395,792.80
  6. Step 6: Final answer
    x = 42,288,188.40

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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.