Home / 39,881,616.48-55,036,669.68-21,546,916.56

Finding the Fourth Proportional to 39,881,616.48, 55,036,669.68 and 21,546,916.56

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Solution

The fourth proportional to 39,881,616.48, 55,036,669.68 and 21,546,916.56 is: 29,734,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881,616.48 : 55,036,669.68 = 21,546,916.56 : x
  2. Step 2: Convert to fraction form
    39,881,616.48/55,036,669.68 = 21,546,916.56/x
  3. Step 3: Cross multiply
    39,881,616.48x = 55,036,669.68 × 21,546,916.56
  4. Step 4: Simplify right side
    39,881,616.48x = 1,185,870,529,335,241.75
  5. Step 5: Solve for x
    x = 1,185,870,529,335,241.75/39,881,616.48
  6. Step 6: Final answer
    x = 29,734,765.89

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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.