Home / 21,555,264.26-29,741,824.26-12,386,135.54

Finding the Fourth Proportional to 21,555,264.26, 29,741,824.26 and 12,386,135.54

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Solution

The fourth proportional to 21,555,264.26, 29,741,824.26 and 12,386,135.54 is: 17,090,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,264.26 : 29,741,824.26 = 12,386,135.54 : x
  2. Step 2: Convert to fraction form
    21,555,264.26/29,741,824.26 = 12,386,135.54/x
  3. Step 3: Cross multiply
    21,555,264.26x = 29,741,824.26 × 12,386,135.54
  4. Step 4: Simplify right side
    21,555,264.26x = 368,386,266,342,511.12
  5. Step 5: Solve for x
    x = 368,386,266,342,511.12/21,555,264.26
  6. Step 6: Final answer
    x = 17,090,315.48

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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.