Home / 21,871,322.54-30,181,839.28-12,081,556.02

Finding the Fourth Proportional to 21,871,322.54, 30,181,839.28 and 12,081,556.02

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Solution

The fourth proportional to 21,871,322.54, 30,181,839.28 and 12,081,556.02 is: 16,672,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,322.54 : 30,181,839.28 = 12,081,556.02 : x
  2. Step 2: Convert to fraction form
    21,871,322.54/30,181,839.28 = 12,081,556.02/x
  3. Step 3: Cross multiply
    21,871,322.54x = 30,181,839.28 × 12,081,556.02
  4. Step 4: Simplify right side
    21,871,322.54x = 364,643,582,047,956.44
  5. Step 5: Solve for x
    x = 364,643,582,047,956.44/21,871,322.54
  6. Step 6: Final answer
    x = 16,672,223.70

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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.