Home / 18,438,850.50-25,444,946.76-10,178,735.42

Finding the Fourth Proportional to 18,438,850.50, 25,444,946.76 and 10,178,735.42

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Solution

The fourth proportional to 18,438,850.50, 25,444,946.76 and 10,178,735.42 is: 14,046,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,850.50 : 25,444,946.76 = 10,178,735.42 : x
  2. Step 2: Convert to fraction form
    18,438,850.50/25,444,946.76 = 10,178,735.42/x
  3. Step 3: Cross multiply
    18,438,850.50x = 25,444,946.76 × 10,178,735.42
  4. Step 4: Simplify right side
    18,438,850.50x = 258,997,380,846,026.25
  5. Step 5: Solve for x
    x = 258,997,380,846,026.25/18,438,850.50
  6. Step 6: Final answer
    x = 14,046,286.72

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1.5x scale

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.