Home / 21,871,328.04-30,181,846.86-12,081,561.53

Finding the Fourth Proportional to 21,871,328.04, 30,181,846.86 and 12,081,561.53

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Solution

The fourth proportional to 21,871,328.04, 30,181,846.86 and 12,081,561.53 is: 16,672,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,328.04 : 30,181,846.86 = 12,081,561.53 : x
  2. Step 2: Convert to fraction form
    21,871,328.04/30,181,846.86 = 12,081,561.53/x
  3. Step 3: Cross multiply
    21,871,328.04x = 30,181,846.86 × 12,081,561.53
  4. Step 4: Simplify right side
    21,871,328.04x = 364,643,839,777,218.06
  5. Step 5: Solve for x
    x = 364,643,839,777,218.06/21,871,328.04
  6. Step 6: Final answer
    x = 16,672,231.29

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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.