Home / 12,479,220.62-18,804,010.79-10,254,579.54

Finding the Fourth Proportional to 12,479,220.62, 18,804,010.79 and 10,254,579.54

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Solution

The fourth proportional to 12,479,220.62, 18,804,010.79 and 10,254,579.54 is: 15,451,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,220.62 : 18,804,010.79 = 10,254,579.54 : x
  2. Step 2: Convert to fraction form
    12,479,220.62/18,804,010.79 = 10,254,579.54/x
  3. Step 3: Cross multiply
    12,479,220.62x = 18,804,010.79 × 10,254,579.54
  4. Step 4: Simplify right side
    12,479,220.62x = 192,827,224,317,073.22
  5. Step 5: Solve for x
    x = 192,827,224,317,073.22/12,479,220.62
  6. Step 6: Final answer
    x = 15,451,864.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.