Home / 21,063,526.20-31,542,145.20-16,811,998.20

Finding the Fourth Proportional to 21,063,526.20, 31,542,145.20 and 16,811,998.20

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Solution

The fourth proportional to 21,063,526.20, 31,542,145.20 and 16,811,998.20 is: 25,175,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,526.20 : 31,542,145.20 = 16,811,998.20 : x
  2. Step 2: Convert to fraction form
    21,063,526.20/31,542,145.20 = 16,811,998.20/x
  3. Step 3: Cross multiply
    21,063,526.20x = 31,542,145.20 × 16,811,998.20
  4. Step 4: Simplify right side
    21,063,526.20x = 530,286,488,326,538.62
  5. Step 5: Solve for x
    x = 530,286,488,326,538.62/21,063,526.20
  6. Step 6: Final answer
    x = 25,175,579.97

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1.5x scale

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.