Home / 20,112,634.38-30,169,228.38-5,735,703.72

Finding the Fourth Proportional to 20,112,634.38, 30,169,228.38 and 5,735,703.72

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Solution

The fourth proportional to 20,112,634.38, 30,169,228.38 and 5,735,703.72 is: 8,603,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,634.38 : 30,169,228.38 = 5,735,703.72 : x
  2. Step 2: Convert to fraction form
    20,112,634.38/30,169,228.38 = 5,735,703.72/x
  3. Step 3: Cross multiply
    20,112,634.38x = 30,169,228.38 × 5,735,703.72
  4. Step 4: Simplify right side
    20,112,634.38x = 173,041,755,448,695.56
  5. Step 5: Solve for x
    x = 173,041,755,448,695.56/20,112,634.38
  6. Step 6: Final answer
    x = 8,603,634.52

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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.