Home / 18,263,738.28-25,191,820.08-11,745,613.20

Finding the Fourth Proportional to 18,263,738.28, 25,191,820.08 and 11,745,613.20

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Solution

The fourth proportional to 18,263,738.28, 25,191,820.08 and 11,745,613.20 is: 16,201,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,738.28 : 25,191,820.08 = 11,745,613.20 : x
  2. Step 2: Convert to fraction form
    18,263,738.28/25,191,820.08 = 11,745,613.20/x
  3. Step 3: Cross multiply
    18,263,738.28x = 25,191,820.08 × 11,745,613.20
  4. Step 4: Simplify right side
    18,263,738.28x = 295,893,374,463,673
  5. Step 5: Solve for x
    x = 295,893,374,463,673/18,263,738.28
  6. Step 6: Final answer
    x = 16,201,139.65

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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.