Home / 30,221,006.20-41,699,882.50-16,988,420.48

Finding the Fourth Proportional to 30,221,006.20, 41,699,882.50 and 16,988,420.48

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Solution

The fourth proportional to 30,221,006.20, 41,699,882.50 and 16,988,420.48 is: 23,441,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221,006.20 : 41,699,882.50 = 16,988,420.48 : x
  2. Step 2: Convert to fraction form
    30,221,006.20/41,699,882.50 = 16,988,420.48/x
  3. Step 3: Cross multiply
    30,221,006.20x = 41,699,882.50 × 16,988,420.48
  4. Step 4: Simplify right side
    30,221,006.20x = 708,415,137,876,593.62
  5. Step 5: Solve for x
    x = 708,415,137,876,593.62/30,221,006.20
  6. Step 6: Final answer
    x = 23,441,149.95

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1.5x scale

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.