Home / 11,894,975.20-17,842,462.80-11,280,865.60

Finding the Fourth Proportional to 11,894,975.20, 17,842,462.80 and 11,280,865.60

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Solution

The fourth proportional to 11,894,975.20, 17,842,462.80 and 11,280,865.60 is: 16,921,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894,975.20 : 17,842,462.80 = 11,280,865.60 : x
  2. Step 2: Convert to fraction form
    11,894,975.20/17,842,462.80 = 11,280,865.60/x
  3. Step 3: Cross multiply
    11,894,975.20x = 17,842,462.80 × 11,280,865.60
  4. Step 4: Simplify right side
    11,894,975.20x = 201,278,424,819,799.69
  5. Step 5: Solve for x
    x = 201,278,424,819,799.69/11,894,975.20
  6. Step 6: Final answer
    x = 16,921,298.40

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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.