Home / 21,060,122.40-31,542,944.40-17,280,986.40

Finding the Fourth Proportional to 21,060,122.40, 31,542,944.40 and 17,280,986.40

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Solution

The fourth proportional to 21,060,122.40, 31,542,944.40 and 17,280,986.40 is: 25,882,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,122.40 : 31,542,944.40 = 17,280,986.40 : x
  2. Step 2: Convert to fraction form
    21,060,122.40/31,542,944.40 = 17,280,986.40/x
  3. Step 3: Cross multiply
    21,060,122.40x = 31,542,944.40 × 17,280,986.40
  4. Step 4: Simplify right side
    21,060,122.40x = 545,093,193,192,356.06
  5. Step 5: Solve for x
    x = 545,093,193,192,356.06/21,060,122.40
  6. Step 6: Final answer
    x = 25,882,717.24

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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.