Home / 18,265,579.77-25,189,112.12-10,922,246.13

Finding the Fourth Proportional to 18,265,579.77, 25,189,112.12 and 10,922,246.13

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Solution

The fourth proportional to 18,265,579.77, 25,189,112.12 and 10,922,246.13 is: 15,062,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265,579.77 : 25,189,112.12 = 10,922,246.13 : x
  2. Step 2: Convert to fraction form
    18,265,579.77/25,189,112.12 = 10,922,246.13/x
  3. Step 3: Cross multiply
    18,265,579.77x = 25,189,112.12 × 10,922,246.13
  4. Step 4: Simplify right side
    18,265,579.77x = 275,121,682,316,194.88
  5. Step 5: Solve for x
    x = 275,121,682,316,194.88/18,265,579.77
  6. Step 6: Final answer
    x = 15,062,302.20

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1.5x scale

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.