Home / 20,619,903-30,922,078.50-16,566,429.72

Finding the Fourth Proportional to 20,619,903, 30,922,078.50 and 16,566,429.72

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Solution

The fourth proportional to 20,619,903, 30,922,078.50 and 16,566,429.72 is: 24,843,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619,903 : 30,922,078.50 = 16,566,429.72 : x
  2. Step 2: Convert to fraction form
    20,619,903/30,922,078.50 = 16,566,429.72/x
  3. Step 3: Cross multiply
    20,619,903x = 30,922,078.50 × 16,566,429.72
  4. Step 4: Simplify right side
    20,619,903x = 512,268,440,266,573.06
  5. Step 5: Solve for x
    x = 512,268,440,266,573.06/20,619,903
  6. Step 6: Final answer
    x = 24,843,397.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.