Home / 20,336,090.40-30,504,135.60-6,872,918.40

Finding the Fourth Proportional to 20,336,090.40, 30,504,135.60 and 6,872,918.40

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Solution

The fourth proportional to 20,336,090.40, 30,504,135.60 and 6,872,918.40 is: 10,309,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,090.40 : 30,504,135.60 = 6,872,918.40 : x
  2. Step 2: Convert to fraction form
    20,336,090.40/30,504,135.60 = 6,872,918.40/x
  3. Step 3: Cross multiply
    20,336,090.40x = 30,504,135.60 × 6,872,918.40
  4. Step 4: Simplify right side
    20,336,090.40x = 209,652,434,841,335.06
  5. Step 5: Solve for x
    x = 209,652,434,841,335.06/20,336,090.40
  6. Step 6: Final answer
    x = 10,309,377.60

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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.