Home / 13,110,741.55-18,092,899.20-7,309,884.43

Finding the Fourth Proportional to 13,110,741.55, 18,092,899.20 and 7,309,884.43

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Solution

The fourth proportional to 13,110,741.55, 18,092,899.20 and 7,309,884.43 is: 10,087,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,741.55 : 18,092,899.20 = 7,309,884.43 : x
  2. Step 2: Convert to fraction form
    13,110,741.55/18,092,899.20 = 7,309,884.43/x
  3. Step 3: Cross multiply
    13,110,741.55x = 18,092,899.20 × 7,309,884.43
  4. Step 4: Simplify right side
    13,110,741.55x = 132,257,002,155,639.44
  5. Step 5: Solve for x
    x = 132,257,002,155,639.44/13,110,741.55
  6. Step 6: Final answer
    x = 10,087,682.81

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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.