Home / 22,647,008.80-31,253,756.82-12,858,363.76

Finding the Fourth Proportional to 22,647,008.80, 31,253,756.82 and 12,858,363.76

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Solution

The fourth proportional to 22,647,008.80, 31,253,756.82 and 12,858,363.76 is: 17,745,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647,008.80 : 31,253,756.82 = 12,858,363.76 : x
  2. Step 2: Convert to fraction form
    22,647,008.80/31,253,756.82 = 12,858,363.76/x
  3. Step 3: Cross multiply
    22,647,008.80x = 31,253,756.82 × 12,858,363.76
  4. Step 4: Simplify right side
    22,647,008.80x = 401,872,174,058,140.81
  5. Step 5: Solve for x
    x = 401,872,174,058,140.81/22,647,008.80
  6. Step 6: Final answer
    x = 17,745,044.28

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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.