Home / 30,776,118.78-42,469,788.86-17,723,869.50

Finding the Fourth Proportional to 30,776,118.78, 42,469,788.86 and 17,723,869.50

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Solution

The fourth proportional to 30,776,118.78, 42,469,788.86 and 17,723,869.50 is: 24,458,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776,118.78 : 42,469,788.86 = 17,723,869.50 : x
  2. Step 2: Convert to fraction form
    30,776,118.78/42,469,788.86 = 17,723,869.50/x
  3. Step 3: Cross multiply
    30,776,118.78x = 42,469,788.86 × 17,723,869.50
  4. Step 4: Simplify right side
    30,776,118.78x = 752,728,995,447,193.75
  5. Step 5: Solve for x
    x = 752,728,995,447,193.75/30,776,118.78
  6. Step 6: Final answer
    x = 24,458,217.13

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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.