Home / 21,100,118.47-31,650,199.57-6,723,174.13

Finding the Fourth Proportional to 21,100,118.47, 31,650,199.57 and 6,723,174.13

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Solution

The fourth proportional to 21,100,118.47, 31,650,199.57 and 6,723,174.13 is: 10,084,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,118.47 : 31,650,199.57 = 6,723,174.13 : x
  2. Step 2: Convert to fraction form
    21,100,118.47/31,650,199.57 = 6,723,174.13/x
  3. Step 3: Cross multiply
    21,100,118.47x = 31,650,199.57 × 6,723,174.13
  4. Step 4: Simplify right side
    21,100,118.47x = 212,789,802,958,361.12
  5. Step 5: Solve for x
    x = 212,789,802,958,361.12/21,100,118.47
  6. Step 6: Final answer
    x = 10,084,768.16

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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.