Home / 38,291,539.37-52,842,260.25-20,887,884.57

Finding the Fourth Proportional to 38,291,539.37, 52,842,260.25 and 20,887,884.57

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Solution

The fourth proportional to 38,291,539.37, 52,842,260.25 and 20,887,884.57 is: 28,825,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291,539.37 : 52,842,260.25 = 20,887,884.57 : x
  2. Step 2: Convert to fraction form
    38,291,539.37/52,842,260.25 = 20,887,884.57/x
  3. Step 3: Cross multiply
    38,291,539.37x = 52,842,260.25 × 20,887,884.57
  4. Step 4: Simplify right side
    38,291,539.37x = 1,103,763,032,519,899.38
  5. Step 5: Solve for x
    x = 1,103,763,032,519,899.38/38,291,539.37
  6. Step 6: Final answer
    x = 28,825,245.75

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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.