Home / 19,989,974.96-29,986,792.36-5,612,945.88

Finding the Fourth Proportional to 19,989,974.96, 29,986,792.36 and 5,612,945.88

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Solution

The fourth proportional to 19,989,974.96, 29,986,792.36 and 5,612,945.88 is: 8,419,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,974.96 : 29,986,792.36 = 5,612,945.88 : x
  2. Step 2: Convert to fraction form
    19,989,974.96/29,986,792.36 = 5,612,945.88/x
  3. Step 3: Cross multiply
    19,989,974.96x = 29,986,792.36 × 5,612,945.88
  4. Step 4: Simplify right side
    19,989,974.96x = 168,314,242,592,792.69
  5. Step 5: Solve for x
    x = 168,314,242,592,792.69/19,989,974.96
  6. Step 6: Final answer
    x = 8,419,932.64

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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.