Home / 21,986,145.40-32,979,218.10-16,530,017.80

Finding the Fourth Proportional to 21,986,145.40, 32,979,218.10 and 16,530,017.80

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Solution

The fourth proportional to 21,986,145.40, 32,979,218.10 and 16,530,017.80 is: 24,795,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986,145.40 : 32,979,218.10 = 16,530,017.80 : x
  2. Step 2: Convert to fraction form
    21,986,145.40/32,979,218.10 = 16,530,017.80/x
  3. Step 3: Cross multiply
    21,986,145.40x = 32,979,218.10 × 16,530,017.80
  4. Step 4: Simplify right side
    21,986,145.40x = 545,147,062,223,082.25
  5. Step 5: Solve for x
    x = 545,147,062,223,082.25/21,986,145.40
  6. Step 6: Final answer
    x = 24,795,026.70

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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.