Home / 13,167,134.15-18,170,671.70-7,366,012.77

Finding the Fourth Proportional to 13,167,134.15, 18,170,671.70 and 7,366,012.77

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Solution

The fourth proportional to 13,167,134.15, 18,170,671.70 and 7,366,012.77 is: 10,165,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,134.15 : 18,170,671.70 = 7,366,012.77 : x
  2. Step 2: Convert to fraction form
    13,167,134.15/18,170,671.70 = 7,366,012.77/x
  3. Step 3: Cross multiply
    13,167,134.15x = 18,170,671.70 × 7,366,012.77
  4. Step 4: Simplify right side
    13,167,134.15x = 133,845,399,800,092.64
  5. Step 5: Solve for x
    x = 133,845,399,800,092.64/13,167,134.15
  6. Step 6: Final answer
    x = 10,165,112.49

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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.