Home / 12,642,910.98-17,447,217.17-6,841,692.72

Finding the Fourth Proportional to 12,642,910.98, 17,447,217.17 and 6,841,692.72

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Solution

The fourth proportional to 12,642,910.98, 17,447,217.17 and 6,841,692.72 is: 9,441,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,910.98 : 17,447,217.17 = 6,841,692.72 : x
  2. Step 2: Convert to fraction form
    12,642,910.98/17,447,217.17 = 6,841,692.72/x
  3. Step 3: Cross multiply
    12,642,910.98x = 17,447,217.17 × 6,841,692.72
  4. Step 4: Simplify right side
    12,642,910.98x = 119,368,498,696,248.02
  5. Step 5: Solve for x
    x = 119,368,498,696,248.02/12,642,910.98
  6. Step 6: Final answer
    x = 9,441,535.96

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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.