Home / 20,609,739.40-30,914,609.10-5,465,201.80

Finding the Fourth Proportional to 20,609,739.40, 30,914,609.10 and 5,465,201.80

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Solution

The fourth proportional to 20,609,739.40, 30,914,609.10 and 5,465,201.80 is: 8,197,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,739.40 : 30,914,609.10 = 5,465,201.80 : x
  2. Step 2: Convert to fraction form
    20,609,739.40/30,914,609.10 = 5,465,201.80/x
  3. Step 3: Cross multiply
    20,609,739.40x = 30,914,609.10 × 5,465,201.80
  4. Step 4: Simplify right side
    20,609,739.40x = 168,954,577,299,616.38
  5. Step 5: Solve for x
    x = 168,954,577,299,616.38/20,609,739.40
  6. Step 6: Final answer
    x = 8,197,802.70

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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.