Home / 12,139,052.66-16,751,910.66-6,912,065.07

Finding the Fourth Proportional to 12,139,052.66, 16,751,910.66 and 6,912,065.07

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Solution

The fourth proportional to 12,139,052.66, 16,751,910.66 and 6,912,065.07 is: 9,538,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,052.66 : 16,751,910.66 = 6,912,065.07 : x
  2. Step 2: Convert to fraction form
    12,139,052.66/16,751,910.66 = 6,912,065.07/x
  3. Step 3: Cross multiply
    12,139,052.66x = 16,751,910.66 × 6,912,065.07
  4. Step 4: Simplify right side
    12,139,052.66x = 115,790,296,528,746.66
  5. Step 5: Solve for x
    x = 115,790,296,528,746.66/12,139,052.66
  6. Step 6: Final answer
    x = 9,538,660.04

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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.