Home / 13,348,255.68-18,419,214.24-8,191,834.56

Finding the Fourth Proportional to 13,348,255.68, 18,419,214.24 and 8,191,834.56

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Solution

The fourth proportional to 13,348,255.68, 18,419,214.24 and 8,191,834.56 is: 11,303,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,255.68 : 18,419,214.24 = 8,191,834.56 : x
  2. Step 2: Convert to fraction form
    13,348,255.68/18,419,214.24 = 8,191,834.56/x
  3. Step 3: Cross multiply
    13,348,255.68x = 18,419,214.24 × 8,191,834.56
  4. Step 4: Simplify right side
    13,348,255.68x = 150,887,155,779,276.12
  5. Step 5: Solve for x
    x = 150,887,155,779,276.12/13,348,255.68
  6. Step 6: Final answer
    x = 11,303,885.65

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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.