Home / 38,782,296.44-53,519,941.72-21,379,264.46

Finding the Fourth Proportional to 38,782,296.44, 53,519,941.72 and 21,379,264.46

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Solution

The fourth proportional to 38,782,296.44, 53,519,941.72 and 21,379,264.46 is: 29,503,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,782,296.44 : 53,519,941.72 = 21,379,264.46 : x
  2. Step 2: Convert to fraction form
    38,782,296.44/53,519,941.72 = 21,379,264.46/x
  3. Step 3: Cross multiply
    38,782,296.44x = 53,519,941.72 × 21,379,264.46
  4. Step 4: Simplify right side
    38,782,296.44x = 1,144,216,987,915,667.25
  5. Step 5: Solve for x
    x = 1,144,216,987,915,667.25/38,782,296.44
  6. Step 6: Final answer
    x = 29,503,590.37

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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.