Home / 15,471,040.40-23,231,346.60-12,302,514.80

Finding the Fourth Proportional to 15,471,040.40, 23,231,346.60 and 12,302,514.80

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Solution

The fourth proportional to 15,471,040.40, 23,231,346.60 and 12,302,514.80 is: 18,473,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,040.40 : 23,231,346.60 = 12,302,514.80 : x
  2. Step 2: Convert to fraction form
    15,471,040.40/23,231,346.60 = 12,302,514.80/x
  3. Step 3: Cross multiply
    15,471,040.40x = 23,231,346.60 × 12,302,514.80
  4. Step 4: Simplify right side
    15,471,040.40x = 285,803,985,370,429.69
  5. Step 5: Solve for x
    x = 285,803,985,370,429.69/15,471,040.40
  6. Step 6: Final answer
    x = 18,473,481.94

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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.