Home / 12,091,971.64-16,687,622.79-9,106,331.29

Finding the Fourth Proportional to 12,091,971.64, 16,687,622.79 and 9,106,331.29

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Solution

The fourth proportional to 12,091,971.64, 16,687,622.79 and 9,106,331.29 is: 12,567,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,971.64 : 16,687,622.79 = 9,106,331.29 : x
  2. Step 2: Convert to fraction form
    12,091,971.64/16,687,622.79 = 9,106,331.29/x
  3. Step 3: Cross multiply
    12,091,971.64x = 16,687,622.79 × 9,106,331.29
  4. Step 4: Simplify right side
    12,091,971.64x = 151,963,021,568,294.06
  5. Step 5: Solve for x
    x = 151,963,021,568,294.06/12,091,971.64
  6. Step 6: Final answer
    x = 12,567,265.79

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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.