Home / 13,270,382.18-19,867,388.24-11,885,661.26

Finding the Fourth Proportional to 13,270,382.18, 19,867,388.24 and 11,885,661.26

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Solution

The fourth proportional to 13,270,382.18, 19,867,388.24 and 11,885,661.26 is: 17,794,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,382.18 : 19,867,388.24 = 11,885,661.26 : x
  2. Step 2: Convert to fraction form
    13,270,382.18/19,867,388.24 = 11,885,661.26/x
  3. Step 3: Cross multiply
    13,270,382.18x = 19,867,388.24 × 11,885,661.26
  4. Step 4: Simplify right side
    13,270,382.18x = 236,137,046,741,547.56
  5. Step 5: Solve for x
    x = 236,137,046,741,547.56/13,270,382.18
  6. Step 6: Final answer
    x = 17,794,291.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.