Home / 21,268,226.53-29,350,272.14-12,100,869.28

Finding the Fourth Proportional to 21,268,226.53, 29,350,272.14 and 12,100,869.28

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Solution

The fourth proportional to 21,268,226.53, 29,350,272.14 and 12,100,869.28 is: 16,699,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268,226.53 : 29,350,272.14 = 12,100,869.28 : x
  2. Step 2: Convert to fraction form
    21,268,226.53/29,350,272.14 = 12,100,869.28/x
  3. Step 3: Cross multiply
    21,268,226.53x = 29,350,272.14 × 12,100,869.28
  4. Step 4: Simplify right side
    21,268,226.53x = 355,163,806,498,565.88
  5. Step 5: Solve for x
    x = 355,163,806,498,565.88/21,268,226.53
  6. Step 6: Final answer
    x = 16,699,267.61

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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.