Home / 26,768,889.72-40,153,473.16-12,185,610.57

Finding the Fourth Proportional to 26,768,889.72, 40,153,473.16 and 12,185,610.57

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Solution

The fourth proportional to 26,768,889.72, 40,153,473.16 and 12,185,610.57 is: 18,278,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768,889.72 : 40,153,473.16 = 12,185,610.57 : x
  2. Step 2: Convert to fraction form
    26,768,889.72/40,153,473.16 = 12,185,610.57/x
  3. Step 3: Cross multiply
    26,768,889.72x = 40,153,473.16 × 12,185,610.57
  4. Step 4: Simplify right side
    26,768,889.72x = 489,294,586,930,243.25
  5. Step 5: Solve for x
    x = 489,294,586,930,243.25/26,768,889.72
  6. Step 6: Final answer
    x = 18,278,478.94

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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.