Home / 38,291,537.86-52,842,258.18-20,887,883.07

Finding the Fourth Proportional to 38,291,537.86, 52,842,258.18 and 20,887,883.07

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Solution

The fourth proportional to 38,291,537.86, 52,842,258.18 and 20,887,883.07 is: 28,825,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291,537.86 : 52,842,258.18 = 20,887,883.07 : x
  2. Step 2: Convert to fraction form
    38,291,537.86/52,842,258.18 = 20,887,883.07/x
  3. Step 3: Cross multiply
    38,291,537.86x = 52,842,258.18 × 20,887,883.07
  4. Step 4: Simplify right side
    38,291,537.86x = 1,103,762,910,236,873.50
  5. Step 5: Solve for x
    x = 1,103,762,910,236,873.50/38,291,537.86
  6. Step 6: Final answer
    x = 28,825,243.69

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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.