Home / 21,004,925.90-31,507,388.85-6,629,446.85

Finding the Fourth Proportional to 21,004,925.90, 31,507,388.85 and 6,629,446.85

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Solution

The fourth proportional to 21,004,925.90, 31,507,388.85 and 6,629,446.85 is: 9,944,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,925.90 : 31,507,388.85 = 6,629,446.85 : x
  2. Step 2: Convert to fraction form
    21,004,925.90/31,507,388.85 = 6,629,446.85/x
  3. Step 3: Cross multiply
    21,004,925.90x = 31,507,388.85 × 6,629,446.85
  4. Step 4: Simplify right side
    21,004,925.90x = 208,876,559,763,357.62
  5. Step 5: Solve for x
    x = 208,876,559,763,357.62/21,004,925.90
  6. Step 6: Final answer
    x = 9,944,170.28

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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.