Home / 12,631,834.80-18,912,322.80-12,277,540.80

Finding the Fourth Proportional to 12,631,834.80, 18,912,322.80 and 12,277,540.80

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Solution

The fourth proportional to 12,631,834.80, 18,912,322.80 and 12,277,540.80 is: 18,381,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,834.80 : 18,912,322.80 = 12,277,540.80 : x
  2. Step 2: Convert to fraction form
    12,631,834.80/18,912,322.80 = 12,277,540.80/x
  3. Step 3: Cross multiply
    12,631,834.80x = 18,912,322.80 × 12,277,540.80
  4. Step 4: Simplify right side
    12,631,834.80x = 232,196,814,799,770.25
  5. Step 5: Solve for x
    x = 232,196,814,799,770.25/12,631,834.80
  6. Step 6: Final answer
    x = 18,381,875.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.