Home / 18,429,229.80-27,661,559.40-9,341,588.70

Finding the Fourth Proportional to 18,429,229.80, 27,661,559.40 and 9,341,588.70

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Solution

The fourth proportional to 18,429,229.80, 27,661,559.40 and 9,341,588.70 is: 14,021,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,229.80 : 27,661,559.40 = 9,341,588.70 : x
  2. Step 2: Convert to fraction form
    18,429,229.80/27,661,559.40 = 9,341,588.70/x
  3. Step 3: Cross multiply
    18,429,229.80x = 27,661,559.40 × 9,341,588.70
  4. Step 4: Simplify right side
    18,429,229.80x = 258,402,910,715,418.75
  5. Step 5: Solve for x
    x = 258,402,910,715,418.75/18,429,229.80
  6. Step 6: Final answer
    x = 14,021,362.45

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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.