Home / 39,011,757.54-53,836,224.40-21,609,223.76

Finding the Fourth Proportional to 39,011,757.54, 53,836,224.40 and 21,609,223.76

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Solution

The fourth proportional to 39,011,757.54, 53,836,224.40 and 21,609,223.76 is: 29,820,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011,757.54 : 53,836,224.40 = 21,609,223.76 : x
  2. Step 2: Convert to fraction form
    39,011,757.54/53,836,224.40 = 21,609,223.76/x
  3. Step 3: Cross multiply
    39,011,757.54x = 53,836,224.40 × 21,609,223.76
  4. Step 4: Simplify right side
    39,011,757.54x = 1,163,359,019,453,171.75
  5. Step 5: Solve for x
    x = 1,163,359,019,453,171.75/39,011,757.54
  6. Step 6: Final answer
    x = 29,820,728.23

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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.