Home / 16,970,420.40-23,419,711.29-9,628,562.58

Finding the Fourth Proportional to 16,970,420.40, 23,419,711.29 and 9,628,562.58

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Solution

The fourth proportional to 16,970,420.40, 23,419,711.29 and 9,628,562.58 is: 13,287,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970,420.40 : 23,419,711.29 = 9,628,562.58 : x
  2. Step 2: Convert to fraction form
    16,970,420.40/23,419,711.29 = 9,628,562.58/x
  3. Step 3: Cross multiply
    16,970,420.40x = 23,419,711.29 × 9,628,562.58
  4. Step 4: Simplify right side
    16,970,420.40x = 225,498,155,761,297.53
  5. Step 5: Solve for x
    x = 225,498,155,761,297.53/16,970,420.40
  6. Step 6: Final answer
    x = 13,287,717.71

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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.