Home / 21,422,531.10-29,552,161.59-13,679,432.22

Finding the Fourth Proportional to 21,422,531.10, 29,552,161.59 and 13,679,432.22

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Solution

The fourth proportional to 21,422,531.10, 29,552,161.59 and 13,679,432.22 is: 18,870,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422,531.10 : 29,552,161.59 = 13,679,432.22 : x
  2. Step 2: Convert to fraction form
    21,422,531.10/29,552,161.59 = 13,679,432.22/x
  3. Step 3: Cross multiply
    21,422,531.10x = 29,552,161.59 × 13,679,432.22
  4. Step 4: Simplify right side
    21,422,531.10x = 404,256,791,424,892.44
  5. Step 5: Solve for x
    x = 404,256,791,424,892.44/21,422,531.10
  6. Step 6: Final answer
    x = 18,870,636.23

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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.