Home / 12,967,140.29-17,893,131.05-7,165,576.04

Finding the Fourth Proportional to 12,967,140.29, 17,893,131.05 and 7,165,576.04

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Solution

The fourth proportional to 12,967,140.29, 17,893,131.05 and 7,165,576.04 is: 9,887,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967,140.29 : 17,893,131.05 = 7,165,576.04 : x
  2. Step 2: Convert to fraction form
    12,967,140.29/17,893,131.05 = 7,165,576.04/x
  3. Step 3: Cross multiply
    12,967,140.29x = 17,893,131.05 × 7,165,576.04
  4. Step 4: Simplify right side
    12,967,140.29x = 128,214,591,060,908.31
  5. Step 5: Solve for x
    x = 128,214,591,060,908.31/12,967,140.29
  6. Step 6: Final answer
    x = 9,887,653.58

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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.