Home / 21,647,071.60-29,871,897.26-11,857,559.22

Finding the Fourth Proportional to 21,647,071.60, 29,871,897.26 and 11,857,559.22

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Solution

The fourth proportional to 21,647,071.60, 29,871,897.26 and 11,857,559.22 is: 16,362,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647,071.60 : 29,871,897.26 = 11,857,559.22 : x
  2. Step 2: Convert to fraction form
    21,647,071.60/29,871,897.26 = 11,857,559.22/x
  3. Step 3: Cross multiply
    21,647,071.60x = 29,871,897.26 × 11,857,559.22
  4. Step 4: Simplify right side
    21,647,071.60x = 354,207,790,774,205.75
  5. Step 5: Solve for x
    x = 354,207,790,774,205.75/21,647,071.60
  6. Step 6: Final answer
    x = 16,362,850.24

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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.