Home / 27,670,059-38,200,619.82-18,390,213.42

Finding the Fourth Proportional to 27,670,059, 38,200,619.82 and 18,390,213.42

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Solution

The fourth proportional to 27,670,059, 38,200,619.82 and 18,390,213.42 is: 25,389,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670,059 : 38,200,619.82 = 18,390,213.42 : x
  2. Step 2: Convert to fraction form
    27,670,059/38,200,619.82 = 18,390,213.42/x
  3. Step 3: Cross multiply
    27,670,059x = 38,200,619.82 × 18,390,213.42
  4. Step 4: Simplify right side
    27,670,059x = 702,517,551,266,082
  5. Step 5: Solve for x
    x = 702,517,551,266,082/27,670,059
  6. Step 6: Final answer
    x = 25,389,087.58

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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.