Home / 18,189,519.92-25,100,655.48-10,348,293.84

Finding the Fourth Proportional to 18,189,519.92, 25,100,655.48 and 10,348,293.84

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Solution

The fourth proportional to 18,189,519.92, 25,100,655.48 and 10,348,293.84 is: 14,280,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,519.92 : 25,100,655.48 = 10,348,293.84 : x
  2. Step 2: Convert to fraction form
    18,189,519.92/25,100,655.48 = 10,348,293.84/x
  3. Step 3: Cross multiply
    18,189,519.92x = 25,100,655.48 × 10,348,293.84
  4. Step 4: Simplify right side
    18,189,519.92x = 259,748,958,483,646.25
  5. Step 5: Solve for x
    x = 259,748,958,483,646.25/18,189,519.92
  6. Step 6: Final answer
    x = 14,280,143.71

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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.