Home / 30,787,551.28-42,487,198.68-17,037,794.80

Finding the Fourth Proportional to 30,787,551.28, 42,487,198.68 and 17,037,794.80

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Solution

The fourth proportional to 30,787,551.28, 42,487,198.68 and 17,037,794.80 is: 23,512,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787,551.28 : 42,487,198.68 = 17,037,794.80 : x
  2. Step 2: Convert to fraction form
    30,787,551.28/42,487,198.68 = 17,037,794.80/x
  3. Step 3: Cross multiply
    30,787,551.28x = 42,487,198.68 × 17,037,794.80
  4. Step 4: Simplify right side
    30,787,551.28x = 723,888,172,736,670.88
  5. Step 5: Solve for x
    x = 723,888,172,736,670.88/30,787,551.28
  6. Step 6: Final answer
    x = 23,512,365.96

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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.