Home / 21,555,266.26-29,741,827.01-12,386,137.54

Finding the Fourth Proportional to 21,555,266.26, 29,741,827.01 and 12,386,137.54

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Solution

The fourth proportional to 21,555,266.26, 29,741,827.01 and 12,386,137.54 is: 17,090,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,266.26 : 29,741,827.01 = 12,386,137.54 : x
  2. Step 2: Convert to fraction form
    21,555,266.26/29,741,827.01 = 12,386,137.54/x
  3. Step 3: Cross multiply
    21,555,266.26x = 29,741,827.01 × 12,386,137.54
  4. Step 4: Simplify right side
    21,555,266.26x = 368,386,360,036,746.94
  5. Step 5: Solve for x
    x = 368,386,360,036,746.94/21,555,266.26
  6. Step 6: Final answer
    x = 17,090,318.24

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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.