Home / 20,728,050.46-31,090,954.78-6,351,159.93

Finding the Fourth Proportional to 20,728,050.46, 31,090,954.78 and 6,351,159.93

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Solution

The fourth proportional to 20,728,050.46, 31,090,954.78 and 6,351,159.93 is: 9,526,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728,050.46 : 31,090,954.78 = 6,351,159.93 : x
  2. Step 2: Convert to fraction form
    20,728,050.46/31,090,954.78 = 6,351,159.93/x
  3. Step 3: Cross multiply
    20,728,050.46x = 31,090,954.78 × 6,351,159.93
  4. Step 4: Simplify right side
    20,728,050.46x = 197,463,626,184,177.97
  5. Step 5: Solve for x
    x = 197,463,626,184,177.97/20,728,050.46
  6. Step 6: Final answer
    x = 9,526,396.44

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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.