Home / 18,881,067.69-26,055,116.37-10,621,293.57

Finding the Fourth Proportional to 18,881,067.69, 26,055,116.37 and 10,621,293.57

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Solution

The fourth proportional to 18,881,067.69, 26,055,116.37 and 10,621,293.57 is: 14,656,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,067.69 : 26,055,116.37 = 10,621,293.57 : x
  2. Step 2: Convert to fraction form
    18,881,067.69/26,055,116.37 = 10,621,293.57/x
  3. Step 3: Cross multiply
    18,881,067.69x = 26,055,116.37 × 10,621,293.57
  4. Step 4: Simplify right side
    18,881,067.69x = 276,739,039,966,282.75
  5. Step 5: Solve for x
    x = 276,739,039,966,282.75/18,881,067.69
  6. Step 6: Final answer
    x = 14,656,959.26

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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.