Home / 38,291,557.56-52,842,285.34-20,887,902.80

Finding the Fourth Proportional to 38,291,557.56, 52,842,285.34 and 20,887,902.80

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Solution

The fourth proportional to 38,291,557.56, 52,842,285.34 and 20,887,902.80 is: 28,825,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291,557.56 : 52,842,285.34 = 20,887,902.80 : x
  2. Step 2: Convert to fraction form
    38,291,557.56/52,842,285.34 = 20,887,902.80/x
  3. Step 3: Cross multiply
    38,291,557.56x = 52,842,285.34 × 20,887,902.80
  4. Step 4: Simplify right side
    38,291,557.56x = 1,103,764,519,911,785.12
  5. Step 5: Solve for x
    x = 1,103,764,519,911,785.12/38,291,557.56
  6. Step 6: Final answer
    x = 28,825,270.90

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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.