Home / 12,671,126.82-17,486,523.89-7,164,383.44

Finding the Fourth Proportional to 12,671,126.82, 17,486,523.89 and 7,164,383.44

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Solution

The fourth proportional to 12,671,126.82, 17,486,523.89 and 7,164,383.44 is: 9,887,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,126.82 : 17,486,523.89 = 7,164,383.44 : x
  2. Step 2: Convert to fraction form
    12,671,126.82/17,486,523.89 = 7,164,383.44/x
  3. Step 3: Cross multiply
    12,671,126.82x = 17,486,523.89 × 7,164,383.44
  4. Step 4: Simplify right side
    12,671,126.82x = 125,280,162,154,875.02
  5. Step 5: Solve for x
    x = 125,280,162,154,875.02/12,671,126.82
  6. Step 6: Final answer
    x = 9,887,057.71

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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.