Home / 12,259,670.48-16,900,182.90-7,848,765.54

Finding the Fourth Proportional to 12,259,670.48, 16,900,182.90 and 7,848,765.54

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Solution

The fourth proportional to 12,259,670.48, 16,900,182.90 and 7,848,765.54 is: 10,819,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,670.48 : 16,900,182.90 = 7,848,765.54 : x
  2. Step 2: Convert to fraction form
    12,259,670.48/16,900,182.90 = 7,848,765.54/x
  3. Step 3: Cross multiply
    12,259,670.48x = 16,900,182.90 × 7,848,765.54
  4. Step 4: Simplify right side
    12,259,670.48x = 132,645,573,165,217.25
  5. Step 5: Solve for x
    x = 132,645,573,165,217.25/12,259,670.48
  6. Step 6: Final answer
    x = 10,819,668.72

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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.