Home / 21,060,090.40-31,542,896.40-17,280,954.40

Finding the Fourth Proportional to 21,060,090.40, 31,542,896.40 and 17,280,954.40

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Solution

The fourth proportional to 21,060,090.40, 31,542,896.40 and 17,280,954.40 is: 25,882,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,090.40 : 31,542,896.40 = 17,280,954.40 : x
  2. Step 2: Convert to fraction form
    21,060,090.40/31,542,896.40 = 17,280,954.40/x
  3. Step 3: Cross multiply
    21,060,090.40x = 31,542,896.40 × 17,280,954.40
  4. Step 4: Simplify right side
    21,060,090.40x = 545,091,354,332,324.06
  5. Step 5: Solve for x
    x = 545,091,354,332,324.06/21,060,090.40
  6. Step 6: Final answer
    x = 25,882,669.26

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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.