Home / 38,770,687.08-53,503,548.45-21,367,032.57

Finding the Fourth Proportional to 38,770,687.08, 53,503,548.45 and 21,367,032.57

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Solution

The fourth proportional to 38,770,687.08, 53,503,548.45 and 21,367,032.57 is: 29,486,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770,687.08 : 53,503,548.45 = 21,367,032.57 : x
  2. Step 2: Convert to fraction form
    38,770,687.08/53,503,548.45 = 21,367,032.57/x
  3. Step 3: Cross multiply
    38,770,687.08x = 53,503,548.45 × 21,367,032.57
  4. Step 4: Simplify right side
    38,770,687.08x = 1,143,212,062,341,723
  5. Step 5: Solve for x
    x = 1,143,212,062,341,723/38,770,687.08
  6. Step 6: Final answer
    x = 29,486,505.10

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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.