Home / 13,853,867.40-20,780,801.10-13,664,910.60

Finding the Fourth Proportional to 13,853,867.40, 20,780,801.10 and 13,664,910.60

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Solution

The fourth proportional to 13,853,867.40, 20,780,801.10 and 13,664,910.60 is: 20,497,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,867.40 : 20,780,801.10 = 13,664,910.60 : x
  2. Step 2: Convert to fraction form
    13,853,867.40/20,780,801.10 = 13,664,910.60/x
  3. Step 3: Cross multiply
    13,853,867.40x = 20,780,801.10 × 13,664,910.60
  4. Step 4: Simplify right side
    13,853,867.40x = 283,967,789,227,881.69
  5. Step 5: Solve for x
    x = 283,967,789,227,881.69/13,853,867.40
  6. Step 6: Final answer
    x = 20,497,365.90

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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.