Home / 18,405,692.16-27,608,609.52-5,626,147.20

Finding the Fourth Proportional to 18,405,692.16, 27,608,609.52 and 5,626,147.20

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Solution

The fourth proportional to 18,405,692.16, 27,608,609.52 and 5,626,147.20 is: 8,439,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405,692.16 : 27,608,609.52 = 5,626,147.20 : x
  2. Step 2: Convert to fraction form
    18,405,692.16/27,608,609.52 = 5,626,147.20/x
  3. Step 3: Cross multiply
    18,405,692.16x = 27,608,609.52 × 5,626,147.20
  4. Step 4: Simplify right side
    18,405,692.16x = 155,330,101,146,841.34
  5. Step 5: Solve for x
    x = 155,330,101,146,841.34/18,405,692.16
  6. Step 6: Final answer
    x = 8,439,242.59

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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.