Home / 38,180,813.80-52,690,157.22-20,777,892.52

Finding the Fourth Proportional to 38,180,813.80, 52,690,157.22 and 20,777,892.52

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Solution

The fourth proportional to 38,180,813.80, 52,690,157.22 and 20,777,892.52 is: 28,673,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,813.80 : 52,690,157.22 = 20,777,892.52 : x
  2. Step 2: Convert to fraction form
    38,180,813.80/52,690,157.22 = 20,777,892.52/x
  3. Step 3: Cross multiply
    38,180,813.80x = 52,690,157.22 × 20,777,892.52
  4. Step 4: Simplify right side
    38,180,813.80x = 1,094,790,423,579,062
  5. Step 5: Solve for x
    x = 1,094,790,423,579,062/38,180,813.80
  6. Step 6: Final answer
    x = 28,673,836.79

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1.5x scale

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.