Home / 13,167,134.53-18,170,672.22-7,366,013.15

Finding the Fourth Proportional to 13,167,134.53, 18,170,672.22 and 7,366,013.15

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Solution

The fourth proportional to 13,167,134.53, 18,170,672.22 and 7,366,013.15 is: 10,165,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,134.53 : 18,170,672.22 = 7,366,013.15 : x
  2. Step 2: Convert to fraction form
    13,167,134.53/18,170,672.22 = 7,366,013.15/x
  3. Step 3: Cross multiply
    13,167,134.53x = 18,170,672.22 × 7,366,013.15
  4. Step 4: Simplify right side
    13,167,134.53x = 133,845,410,426,006.31
  5. Step 5: Solve for x
    x = 133,845,410,426,006.31/13,167,134.53
  6. Step 6: Final answer
    x = 10,165,113.01

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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.