Home / 13,771,218.36-19,003,899.78-7,491,537.48

Finding the Fourth Proportional to 13,771,218.36, 19,003,899.78 and 7,491,537.48

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Solution

The fourth proportional to 13,771,218.36, 19,003,899.78 and 7,491,537.48 is: 10,338,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,218.36 : 19,003,899.78 = 7,491,537.48 : x
  2. Step 2: Convert to fraction form
    13,771,218.36/19,003,899.78 = 7,491,537.48/x
  3. Step 3: Cross multiply
    13,771,218.36x = 19,003,899.78 × 7,491,537.48
  4. Step 4: Simplify right side
    13,771,218.36x = 142,368,427,468,033.78
  5. Step 5: Solve for x
    x = 142,368,427,468,033.78/13,771,218.36
  6. Step 6: Final answer
    x = 10,338,114.16

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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.