Home / 21,001,766.25-31,507,963.79-5,855,697.75

Finding the Fourth Proportional to 21,001,766.25, 31,507,963.79 and 5,855,697.75

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Solution

The fourth proportional to 21,001,766.25, 31,507,963.79 and 5,855,697.75 is: 8,785,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,766.25 : 31,507,963.79 = 5,855,697.75 : x
  2. Step 2: Convert to fraction form
    21,001,766.25/31,507,963.79 = 5,855,697.75/x
  3. Step 3: Cross multiply
    21,001,766.25x = 31,507,963.79 × 5,855,697.75
  4. Step 4: Simplify right side
    21,001,766.25x = 184,501,112,642,906
  5. Step 5: Solve for x
    x = 184,501,112,642,906/21,001,766.25
  6. Step 6: Final answer
    x = 8,785,028.39

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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.