Home / 21,268,229.28-29,350,275.93-12,100,872.03

Finding the Fourth Proportional to 21,268,229.28, 29,350,275.93 and 12,100,872.03

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Solution

The fourth proportional to 21,268,229.28, 29,350,275.93 and 12,100,872.03 is: 16,699,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268,229.28 : 29,350,275.93 = 12,100,872.03 : x
  2. Step 2: Convert to fraction form
    21,268,229.28/29,350,275.93 = 12,100,872.03/x
  3. Step 3: Cross multiply
    21,268,229.28x = 29,350,275.93 × 12,100,872.03
  4. Step 4: Simplify right side
    21,268,229.28x = 355,163,933,074,119.19
  5. Step 5: Solve for x
    x = 355,163,933,074,119.19/21,268,229.28
  6. Step 6: Final answer
    x = 16,699,271.41

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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.