Home / 21,936,035.27-30,271,358.97-12,146,269.20

Finding the Fourth Proportional to 21,936,035.27, 30,271,358.97 and 12,146,269.20

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Solution

The fourth proportional to 21,936,035.27, 30,271,358.97 and 12,146,269.20 is: 16,761,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,035.27 : 30,271,358.97 = 12,146,269.20 : x
  2. Step 2: Convert to fraction form
    21,936,035.27/30,271,358.97 = 12,146,269.20/x
  3. Step 3: Cross multiply
    21,936,035.27x = 30,271,358.97 × 12,146,269.20
  4. Step 4: Simplify right side
    21,936,035.27x = 367,684,075,099,454.69
  5. Step 5: Solve for x
    x = 367,684,075,099,454.69/21,936,035.27
  6. Step 6: Final answer
    x = 16,761,646.79

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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.