Home / 20,971,645.89-31,458,589.82-6,595,834.68

Finding the Fourth Proportional to 20,971,645.89, 31,458,589.82 and 6,595,834.68

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Solution

The fourth proportional to 20,971,645.89, 31,458,589.82 and 6,595,834.68 is: 9,894,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,971,645.89 : 31,458,589.82 = 6,595,834.68 : x
  2. Step 2: Convert to fraction form
    20,971,645.89/31,458,589.82 = 6,595,834.68/x
  3. Step 3: Cross multiply
    20,971,645.89x = 31,458,589.82 × 6,595,834.68
  4. Step 4: Simplify right side
    20,971,645.89x = 207,495,657,685,671.78
  5. Step 5: Solve for x
    x = 207,495,657,685,671.78/20,971,645.89
  6. Step 6: Final answer
    x = 9,894,104.58

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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.