Home / 12,623,676.96-17,416,419.16-7,187,319.84

Finding the Fourth Proportional to 12,623,676.96, 17,416,419.16 and 7,187,319.84

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Solution

The fourth proportional to 12,623,676.96, 17,416,419.16 and 7,187,319.84 is: 9,916,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,676.96 : 17,416,419.16 = 7,187,319.84 : x
  2. Step 2: Convert to fraction form
    12,623,676.96/17,416,419.16 = 7,187,319.84/x
  3. Step 3: Cross multiply
    12,623,676.96x = 17,416,419.16 × 7,187,319.84
  4. Step 4: Simplify right side
    12,623,676.96x = 125,177,374,970,424.14
  5. Step 5: Solve for x
    x = 125,177,374,970,424.14/12,623,676.96
  6. Step 6: Final answer
    x = 9,916,078.76

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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.