Home / 29,111,428.80-43,703,085.60-18,328,708.80

Finding the Fourth Proportional to 29,111,428.80, 43,703,085.60 and 18,328,708.80

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Solution

The fourth proportional to 29,111,428.80, 43,703,085.60 and 18,328,708.80 is: 27,515,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111,428.80 : 43,703,085.60 = 18,328,708.80 : x
  2. Step 2: Convert to fraction form
    29,111,428.80/43,703,085.60 = 18,328,708.80/x
  3. Step 3: Cross multiply
    29,111,428.80x = 43,703,085.60 × 18,328,708.80
  4. Step 4: Simplify right side
    29,111,428.80x = 801,021,129,623,873.38
  5. Step 5: Solve for x
    x = 801,021,129,623,873.38/29,111,428.80
  6. Step 6: Final answer
    x = 27,515,692.72

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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.