Home / 13,081,933.22-18,057,036.17-7,576,661.15

Finding the Fourth Proportional to 13,081,933.22, 18,057,036.17 and 7,576,661.15

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Solution

The fourth proportional to 13,081,933.22, 18,057,036.17 and 7,576,661.15 is: 10,458,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,933.22 : 18,057,036.17 = 7,576,661.15 : x
  2. Step 2: Convert to fraction form
    13,081,933.22/18,057,036.17 = 7,576,661.15/x
  3. Step 3: Cross multiply
    13,081,933.22x = 18,057,036.17 × 7,576,661.15
  4. Step 4: Simplify right side
    13,081,933.22x = 136,812,044,395,500.48
  5. Step 5: Solve for x
    x = 136,812,044,395,500.48/13,081,933.22
  6. Step 6: Final answer
    x = 10,458,090.72

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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.