Home / 31,018,614.88-42,806,005.31-17,081,266.04

Finding the Fourth Proportional to 31,018,614.88, 42,806,005.31 and 17,081,266.04

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Solution

The fourth proportional to 31,018,614.88, 42,806,005.31 and 17,081,266.04 is: 23,572,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018,614.88 : 42,806,005.31 = 17,081,266.04 : x
  2. Step 2: Convert to fraction form
    31,018,614.88/42,806,005.31 = 17,081,266.04/x
  3. Step 3: Cross multiply
    31,018,614.88x = 42,806,005.31 × 17,081,266.04
  4. Step 4: Simplify right side
    31,018,614.88x = 731,180,764,831,371.38
  5. Step 5: Solve for x
    x = 731,180,764,831,371.38/31,018,614.88
  6. Step 6: Final answer
    x = 23,572,321.58

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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.