Home / 20,179,222.25-27,848,208.49-11,359,242.16

Finding the Fourth Proportional to 20,179,222.25, 27,848,208.49 and 11,359,242.16

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Solution

The fourth proportional to 20,179,222.25, 27,848,208.49 and 11,359,242.16 is: 15,676,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,222.25 : 27,848,208.49 = 11,359,242.16 : x
  2. Step 2: Convert to fraction form
    20,179,222.25/27,848,208.49 = 11,359,242.16/x
  3. Step 3: Cross multiply
    20,179,222.25x = 27,848,208.49 × 11,359,242.16
  4. Step 4: Simplify right side
    20,179,222.25x = 316,334,543,925,955.06
  5. Step 5: Solve for x
    x = 316,334,543,925,955.06/20,179,222.25
  6. Step 6: Final answer
    x = 15,676,250.55

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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.