Home / 20,959,871.88-28,924,419.06-11,667,294.60

Finding the Fourth Proportional to 20,959,871.88, 28,924,419.06 and 11,667,294.60

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Solution

The fourth proportional to 20,959,871.88, 28,924,419.06 and 11,667,294.60 is: 16,100,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,871.88 : 28,924,419.06 = 11,667,294.60 : x
  2. Step 2: Convert to fraction form
    20,959,871.88/28,924,419.06 = 11,667,294.60/x
  3. Step 3: Cross multiply
    20,959,871.88x = 28,924,419.06 × 11,667,294.60
  4. Step 4: Simplify right side
    20,959,871.88x = 337,469,718,306,875.06
  5. Step 5: Solve for x
    x = 337,469,718,306,875.06/20,959,871.88
  6. Step 6: Final answer
    x = 16,100,752.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.