Home / 13,677,905.28-20,489,896.32-11,122,005.12

Finding the Fourth Proportional to 13,677,905.28, 20,489,896.32 and 11,122,005.12

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Solution

The fourth proportional to 13,677,905.28, 20,489,896.32 and 11,122,005.12 is: 16,661,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677,905.28 : 20,489,896.32 = 11,122,005.12 : x
  2. Step 2: Convert to fraction form
    13,677,905.28/20,489,896.32 = 11,122,005.12/x
  3. Step 3: Cross multiply
    13,677,905.28x = 20,489,896.32 × 11,122,005.12
  4. Step 4: Simplify right side
    13,677,905.28x = 227,888,731,779,309.16
  5. Step 5: Solve for x
    x = 227,888,731,779,309.16/13,677,905.28
  6. Step 6: Final answer
    x = 16,661,084.22

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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.