Home / 18,209,079.60-27,310,120.20-5,430,001.20

Finding the Fourth Proportional to 18,209,079.60, 27,310,120.20 and 5,430,001.20

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Solution

The fourth proportional to 18,209,079.60, 27,310,120.20 and 5,430,001.20 is: 8,143,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,079.60 : 27,310,120.20 = 5,430,001.20 : x
  2. Step 2: Convert to fraction form
    18,209,079.60/27,310,120.20 = 5,430,001.20/x
  3. Step 3: Cross multiply
    18,209,079.60x = 27,310,120.20 × 5,430,001.20
  4. Step 4: Simplify right side
    18,209,079.60x = 148,293,985,458,144.25
  5. Step 5: Solve for x
    x = 148,293,985,458,144.25/18,209,079.60
  6. Step 6: Final answer
    x = 8,143,958.33

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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.