Home / 13,101,143.22-18,079,336.50-7,299,800.10

Finding the Fourth Proportional to 13,101,143.22, 18,079,336.50 and 7,299,800.10

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Solution

The fourth proportional to 13,101,143.22, 18,079,336.50 and 7,299,800.10 is: 10,073,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,143.22 : 18,079,336.50 = 7,299,800.10 : x
  2. Step 2: Convert to fraction form
    13,101,143.22/18,079,336.50 = 7,299,800.10/x
  3. Step 3: Cross multiply
    13,101,143.22x = 18,079,336.50 × 7,299,800.10
  4. Step 4: Simplify right side
    13,101,143.22x = 131,975,542,390,633.64
  5. Step 5: Solve for x
    x = 131,975,542,390,633.64/13,101,143.22
  6. Step 6: Final answer
    x = 10,073,589.78

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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.