Home / 20,743,775.12-31,115,412.36-5,389,706.16

Finding the Fourth Proportional to 20,743,775.12, 31,115,412.36 and 5,389,706.16

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Solution

The fourth proportional to 20,743,775.12, 31,115,412.36 and 5,389,706.16 is: 8,084,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,775.12 : 31,115,412.36 = 5,389,706.16 : x
  2. Step 2: Convert to fraction form
    20,743,775.12/31,115,412.36 = 5,389,706.16/x
  3. Step 3: Cross multiply
    20,743,775.12x = 31,115,412.36 × 5,389,706.16
  4. Step 4: Simplify right side
    20,743,775.12x = 167,702,929,667,632.12
  5. Step 5: Solve for x
    x = 167,702,929,667,632.12/20,743,775.12
  6. Step 6: Final answer
    x = 8,084,494.20

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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.