Home / 20,698,743.35-31,048,115.03-7,067,281.70

Finding the Fourth Proportional to 20,698,743.35, 31,048,115.03 and 7,067,281.70

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Solution

The fourth proportional to 20,698,743.35, 31,048,115.03 and 7,067,281.70 is: 10,600,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,743.35 : 31,048,115.03 = 7,067,281.70 : x
  2. Step 2: Convert to fraction form
    20,698,743.35/31,048,115.03 = 7,067,281.70/x
  3. Step 3: Cross multiply
    20,698,743.35x = 31,048,115.03 × 7,067,281.70
  4. Step 4: Simplify right side
    20,698,743.35x = 219,425,775,135,677.53
  5. Step 5: Solve for x
    x = 219,425,775,135,677.53/20,698,743.35
  6. Step 6: Final answer
    x = 10,600,922.55

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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.