Home / 20,681,361.55-31,022,042.33-17,492,715.55

Finding the Fourth Proportional to 20,681,361.55, 31,022,042.33 and 17,492,715.55

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Solution

The fourth proportional to 20,681,361.55, 31,022,042.33 and 17,492,715.55 is: 26,239,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,361.55 : 31,022,042.33 = 17,492,715.55 : x
  2. Step 2: Convert to fraction form
    20,681,361.55/31,022,042.33 = 17,492,715.55/x
  3. Step 3: Cross multiply
    20,681,361.55x = 31,022,042.33 × 17,492,715.55
  4. Step 4: Simplify right side
    20,681,361.55x = 542,659,762,258,749.25
  5. Step 5: Solve for x
    x = 542,659,762,258,749.25/20,681,361.55
  6. Step 6: Final answer
    x = 26,239,073.33

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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.