Home / 21,268,228.28-29,350,274.55-12,100,871.03

Finding the Fourth Proportional to 21,268,228.28, 29,350,274.55 and 12,100,871.03

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Solution

The fourth proportional to 21,268,228.28, 29,350,274.55 and 12,100,871.03 is: 16,699,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268,228.28 : 29,350,274.55 = 12,100,871.03 : x
  2. Step 2: Convert to fraction form
    21,268,228.28/29,350,274.55 = 12,100,871.03/x
  3. Step 3: Cross multiply
    21,268,228.28x = 29,350,274.55 × 12,100,871.03
  4. Step 4: Simplify right side
    21,268,228.28x = 355,163,887,024,641.25
  5. Step 5: Solve for x
    x = 355,163,887,024,641.25/21,268,228.28
  6. Step 6: Final answer
    x = 16,699,270.03

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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.