Home / 20,684,780.10-31,027,086.39-6,307,806.27

Finding the Fourth Proportional to 20,684,780.10, 31,027,086.39 and 6,307,806.27

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Solution

The fourth proportional to 20,684,780.10, 31,027,086.39 and 6,307,806.27 is: 9,461,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,780.10 : 31,027,086.39 = 6,307,806.27 : x
  2. Step 2: Convert to fraction form
    20,684,780.10/31,027,086.39 = 6,307,806.27/x
  3. Step 3: Cross multiply
    20,684,780.10x = 31,027,086.39 × 6,307,806.27
  4. Step 4: Simplify right side
    20,684,780.10x = 195,712,850,070,673.66
  5. Step 5: Solve for x
    x = 195,712,850,070,673.66/20,684,780.10
  6. Step 6: Final answer
    x = 9,461,683.86

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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.