Home / 38,954,404.47-53,757,130.50-21,314,964.27

Finding the Fourth Proportional to 38,954,404.47, 53,757,130.50 and 21,314,964.27

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Solution

The fourth proportional to 38,954,404.47, 53,757,130.50 and 21,314,964.27 is: 29,414,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954,404.47 : 53,757,130.50 = 21,314,964.27 : x
  2. Step 2: Convert to fraction form
    38,954,404.47/53,757,130.50 = 21,314,964.27/x
  3. Step 3: Cross multiply
    38,954,404.47x = 53,757,130.50 × 21,314,964.27
  4. Step 4: Simplify right side
    38,954,404.47x = 1,145,831,315,865,227.25
  5. Step 5: Solve for x
    x = 1,145,831,315,865,227.25/38,954,404.47
  6. Step 6: Final answer
    x = 29,414,679.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.