Home / 11,504,072.79-15,881,372.73-7,154,560.31

Finding the Fourth Proportional to 11,504,072.79, 15,881,372.73 and 7,154,560.31

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Solution

The fourth proportional to 11,504,072.79, 15,881,372.73 and 7,154,560.31 is: 9,876,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504,072.79 : 15,881,372.73 = 7,154,560.31 : x
  2. Step 2: Convert to fraction form
    11,504,072.79/15,881,372.73 = 7,154,560.31/x
  3. Step 3: Cross multiply
    11,504,072.79x = 15,881,372.73 × 7,154,560.31
  4. Step 4: Simplify right side
    11,504,072.79x = 113,624,238,922,967.48
  5. Step 5: Solve for x
    x = 113,624,238,922,967.48/11,504,072.79
  6. Step 6: Final answer
    x = 9,876,870.65

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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.