Home / 20,018,126.84-30,016,388.36-9,082,347.84

Finding the Fourth Proportional to 20,018,126.84, 30,016,388.36 and 9,082,347.84

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Solution

The fourth proportional to 20,018,126.84, 30,016,388.36 and 9,082,347.84 is: 13,618,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018,126.84 : 30,016,388.36 = 9,082,347.84 : x
  2. Step 2: Convert to fraction form
    20,018,126.84/30,016,388.36 = 9,082,347.84/x
  3. Step 3: Cross multiply
    20,018,126.84x = 30,016,388.36 × 9,082,347.84
  4. Step 4: Simplify right side
    20,018,126.84x = 272,619,279,986,047.12
  5. Step 5: Solve for x
    x = 272,619,279,986,047.12/20,018,126.84
  6. Step 6: Final answer
    x = 13,618,620.87

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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.