Home / 15,345,227.76-21,174,905.67-8,469,266.58

Finding the Fourth Proportional to 15,345,227.76, 21,174,905.67 and 8,469,266.58

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Solution

The fourth proportional to 15,345,227.76, 21,174,905.67 and 8,469,266.58 is: 11,686,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,227.76 : 21,174,905.67 = 8,469,266.58 : x
  2. Step 2: Convert to fraction form
    15,345,227.76/21,174,905.67 = 8,469,266.58/x
  3. Step 3: Cross multiply
    15,345,227.76x = 21,174,905.67 × 8,469,266.58
  4. Step 4: Simplify right side
    15,345,227.76x = 179,335,920,925,583.53
  5. Step 5: Solve for x
    x = 179,335,920,925,583.53/15,345,227.76
  6. Step 6: Final answer
    x = 11,686,755.24

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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.