Home / 12,967,919.73-17,895,784.82-7,087,672.35

Finding the Fourth Proportional to 12,967,919.73, 17,895,784.82 and 7,087,672.35

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Solution

The fourth proportional to 12,967,919.73, 17,895,784.82 and 7,087,672.35 is: 9,781,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967,919.73 : 17,895,784.82 = 7,087,672.35 : x
  2. Step 2: Convert to fraction form
    12,967,919.73/17,895,784.82 = 7,087,672.35/x
  3. Step 3: Cross multiply
    12,967,919.73x = 17,895,784.82 × 7,087,672.35
  4. Step 4: Simplify right side
    12,967,919.73x = 126,839,459,214,825.38
  5. Step 5: Solve for x
    x = 126,839,459,214,825.38/12,967,919.73
  6. Step 6: Final answer
    x = 9,781,018.22

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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.