Home / 21,427,629.26-29,566,673.34-13,165,034.18

Finding the Fourth Proportional to 21,427,629.26, 29,566,673.34 and 13,165,034.18

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Solution

The fourth proportional to 21,427,629.26, 29,566,673.34 and 13,165,034.18 is: 18,165,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,427,629.26 : 29,566,673.34 = 13,165,034.18 : x
  2. Step 2: Convert to fraction form
    21,427,629.26/29,566,673.34 = 13,165,034.18/x
  3. Step 3: Cross multiply
    21,427,629.26x = 29,566,673.34 × 13,165,034.18
  4. Step 4: Simplify right side
    21,427,629.26x = 389,246,265,109,994.75
  5. Step 5: Solve for x
    x = 389,246,265,109,994.75/21,427,629.26
  6. Step 6: Final answer
    x = 18,165,624.41

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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.