Home / 30,344,049.09-45,527,540.81-18,221,963.72

Finding the Fourth Proportional to 30,344,049.09, 45,527,540.81 and 18,221,963.72

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Solution

The fourth proportional to 30,344,049.09, 45,527,540.81 and 18,221,963.72 is: 27,339,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,049.09 : 45,527,540.81 = 18,221,963.72 : x
  2. Step 2: Convert to fraction form
    30,344,049.09/45,527,540.81 = 18,221,963.72/x
  3. Step 3: Cross multiply
    30,344,049.09x = 45,527,540.81 × 18,221,963.72
  4. Step 4: Simplify right side
    30,344,049.09x = 829,601,196,581,891.88
  5. Step 5: Solve for x
    x = 829,601,196,581,891.88/30,344,049.09
  6. Step 6: Final answer
    x = 27,339,831.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.