Home / 30,813,981.87-42,522,772.16-17,062,650.75

Finding the Fourth Proportional to 30,813,981.87, 42,522,772.16 and 17,062,650.75

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Solution

The fourth proportional to 30,813,981.87, 42,522,772.16 and 17,062,650.75 is: 23,546,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,981.87 : 42,522,772.16 = 17,062,650.75 : x
  2. Step 2: Convert to fraction form
    30,813,981.87/42,522,772.16 = 17,062,650.75/x
  3. Step 3: Cross multiply
    30,813,981.87x = 42,522,772.16 × 17,062,650.75
  4. Step 4: Simplify right side
    30,813,981.87x = 725,551,210,202,589.88
  5. Step 5: Solve for x
    x = 725,551,210,202,589.88/30,813,981.87
  6. Step 6: Final answer
    x = 23,546,168.53

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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.