Home / 20,455,746.11-30,682,871.82-6,078,440.26

Finding the Fourth Proportional to 20,455,746.11, 30,682,871.82 and 6,078,440.26

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Solution

The fourth proportional to 20,455,746.11, 30,682,871.82 and 6,078,440.26 is: 9,117,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,746.11 : 30,682,871.82 = 6,078,440.26 : x
  2. Step 2: Convert to fraction form
    20,455,746.11/30,682,871.82 = 6,078,440.26/x
  3. Step 3: Cross multiply
    20,455,746.11x = 30,682,871.82 × 6,078,440.26
  4. Step 4: Simplify right side
    20,455,746.11x = 186,504,003,363,107.47
  5. Step 5: Solve for x
    x = 186,504,003,363,107.47/20,455,746.11
  6. Step 6: Final answer
    x = 9,117,438.32

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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.