Home / 20,941,408.30-31,415,064.90-6,562,976.80

Finding the Fourth Proportional to 20,941,408.30, 31,415,064.90 and 6,562,976.80

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Solution

The fourth proportional to 20,941,408.30, 31,415,064.90 and 6,562,976.80 is: 9,845,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,408.30 : 31,415,064.90 = 6,562,976.80 : x
  2. Step 2: Convert to fraction form
    20,941,408.30/31,415,064.90 = 6,562,976.80/x
  3. Step 3: Cross multiply
    20,941,408.30x = 31,415,064.90 × 6,562,976.80
  4. Step 4: Simplify right side
    20,941,408.30x = 206,176,342,109,194.31
  5. Step 5: Solve for x
    x = 206,176,342,109,194.31/20,941,408.30
  6. Step 6: Final answer
    x = 9,845,390.49

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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.