Home / 15,317,083.44-21,141,177.12-9,520,243.12

Finding the Fourth Proportional to 15,317,083.44, 21,141,177.12 and 9,520,243.12

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Solution

The fourth proportional to 15,317,083.44, 21,141,177.12 and 9,520,243.12 is: 13,140,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,083.44 : 21,141,177.12 = 9,520,243.12 : x
  2. Step 2: Convert to fraction form
    15,317,083.44/21,141,177.12 = 9,520,243.12/x
  3. Step 3: Cross multiply
    15,317,083.44x = 21,141,177.12 × 9,520,243.12
  4. Step 4: Simplify right side
    15,317,083.44x = 201,269,146,025,381.41
  5. Step 5: Solve for x
    x = 201,269,146,025,381.41/15,317,083.44
  6. Step 6: Final answer
    x = 13,140,174.29

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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.