Home / 12,646,361.73-18,940,812.38-9,896,773.45

Finding the Fourth Proportional to 12,646,361.73, 18,940,812.38 and 9,896,773.45

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Solution

The fourth proportional to 12,646,361.73, 18,940,812.38 and 9,896,773.45 is: 14,822,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,361.73 : 18,940,812.38 = 9,896,773.45 : x
  2. Step 2: Convert to fraction form
    12,646,361.73/18,940,812.38 = 9,896,773.45/x
  3. Step 3: Cross multiply
    12,646,361.73x = 18,940,812.38 × 9,896,773.45
  4. Step 4: Simplify right side
    12,646,361.73x = 187,452,929,006,335.31
  5. Step 5: Solve for x
    x = 187,452,929,006,335.31/12,646,361.73
  6. Step 6: Final answer
    x = 14,822,676.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.