Home / 30,787,549.28-42,487,195.92-17,037,792.80

Finding the Fourth Proportional to 30,787,549.28, 42,487,195.92 and 17,037,792.80

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Solution

The fourth proportional to 30,787,549.28, 42,487,195.92 and 17,037,792.80 is: 23,512,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787,549.28 : 42,487,195.92 = 17,037,792.80 : x
  2. Step 2: Convert to fraction form
    30,787,549.28/42,487,195.92 = 17,037,792.80/x
  3. Step 3: Cross multiply
    30,787,549.28x = 42,487,195.92 × 17,037,792.80
  4. Step 4: Simplify right side
    30,787,549.28x = 723,888,040,737,965.50
  5. Step 5: Solve for x
    x = 723,888,040,737,965.50/30,787,549.28
  6. Step 6: Final answer
    x = 23,512,363.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.