Home / 18,405,636.16-27,608,525.52-5,626,091.20

Finding the Fourth Proportional to 18,405,636.16, 27,608,525.52 and 5,626,091.20

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Solution

The fourth proportional to 18,405,636.16, 27,608,525.52 and 5,626,091.20 is: 8,439,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405,636.16 : 27,608,525.52 = 5,626,091.20 : x
  2. Step 2: Convert to fraction form
    18,405,636.16/27,608,525.52 = 5,626,091.20/x
  3. Step 3: Cross multiply
    18,405,636.16x = 27,608,525.52 × 5,626,091.20
  4. Step 4: Simplify right side
    18,405,636.16x = 155,328,082,473,047.44
  5. Step 5: Solve for x
    x = 155,328,082,473,047.44/18,405,636.16
  6. Step 6: Final answer
    x = 8,439,158.59

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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.