Home / 36,820,208.20-50,807,452.08-21,138,368.44

Finding the Fourth Proportional to 36,820,208.20, 50,807,452.08 and 21,138,368.44

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Solution

The fourth proportional to 36,820,208.20, 50,807,452.08 and 21,138,368.44 is: 29,168,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820,208.20 : 50,807,452.08 = 21,138,368.44 : x
  2. Step 2: Convert to fraction form
    36,820,208.20/50,807,452.08 = 21,138,368.44/x
  3. Step 3: Cross multiply
    36,820,208.20x = 50,807,452.08 × 21,138,368.44
  4. Step 4: Simplify right side
    36,820,208.20x = 1,073,986,641,564,684.38
  5. Step 5: Solve for x
    x = 1,073,986,641,564,684.38/36,820,208.20
  6. Step 6: Final answer
    x = 29,168,402.19

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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.