Home / 20,579,174.79-30,871,585.41-11,947,327.35

Finding the Fourth Proportional to 20,579,174.79, 30,871,585.41 and 11,947,327.35

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Solution

The fourth proportional to 20,579,174.79, 30,871,585.41 and 11,947,327.35 is: 17,922,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579,174.79 : 30,871,585.41 = 11,947,327.35 : x
  2. Step 2: Convert to fraction form
    20,579,174.79/30,871,585.41 = 11,947,327.35/x
  3. Step 3: Cross multiply
    20,579,174.79x = 30,871,585.41 × 11,947,327.35
  4. Step 4: Simplify right side
    20,579,174.79x = 368,832,936,706,753.94
  5. Step 5: Solve for x
    x = 368,832,936,706,753.94/20,579,174.79
  6. Step 6: Final answer
    x = 17,922,630.06

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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.