Home / 12,126,189.90-18,189,284.85-6,061,857.60

Finding the Fourth Proportional to 12,126,189.90, 18,189,284.85 and 6,061,857.60

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Solution

The fourth proportional to 12,126,189.90, 18,189,284.85 and 6,061,857.60 is: 9,092,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,189.90 : 18,189,284.85 = 6,061,857.60 : x
  2. Step 2: Convert to fraction form
    12,126,189.90/18,189,284.85 = 6,061,857.60/x
  3. Step 3: Cross multiply
    12,126,189.90x = 18,189,284.85 × 6,061,857.60
  4. Step 4: Simplify right side
    12,126,189.90x = 110,260,854,606,537.36
  5. Step 5: Solve for x
    x = 110,260,854,606,537.36/12,126,189.90
  6. Step 6: Final answer
    x = 9,092,786.40

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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.