Home / 38,016,153.90-57,005,346.24-12,105,072.54

Finding the Fourth Proportional to 38,016,153.90, 57,005,346.24 and 12,105,072.54

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Solution

The fourth proportional to 38,016,153.90, 57,005,346.24 and 12,105,072.54 is: 18,151,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,153.90 : 57,005,346.24 = 12,105,072.54 : x
  2. Step 2: Convert to fraction form
    38,016,153.90/57,005,346.24 = 12,105,072.54/x
  3. Step 3: Cross multiply
    38,016,153.90x = 57,005,346.24 × 12,105,072.54
  4. Step 4: Simplify right side
    38,016,153.90x = 690,053,851,403,016.25
  5. Step 5: Solve for x
    x = 690,053,851,403,016.25/38,016,153.90
  6. Step 6: Final answer
    x = 18,151,595.59

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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.