Home / 20,579,171.55-30,871,580.61-11,947,324.13

Finding the Fourth Proportional to 20,579,171.55, 30,871,580.61 and 11,947,324.13

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Solution

The fourth proportional to 20,579,171.55, 30,871,580.61 and 11,947,324.13 is: 17,922,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579,171.55 : 30,871,580.61 = 11,947,324.13 : x
  2. Step 2: Convert to fraction form
    20,579,171.55/30,871,580.61 = 11,947,324.13/x
  3. Step 3: Cross multiply
    20,579,171.55x = 30,871,580.61 × 11,947,324.13
  4. Step 4: Simplify right side
    20,579,171.55x = 368,832,779,798,735.19
  5. Step 5: Solve for x
    x = 368,832,779,798,735.19/20,579,171.55
  6. Step 6: Final answer
    x = 17,922,625.26

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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.