Home / 38,291,554.56-52,842,281.20-20,887,899.80

Finding the Fourth Proportional to 38,291,554.56, 52,842,281.20 and 20,887,899.80

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Solution

The fourth proportional to 38,291,554.56, 52,842,281.20 and 20,887,899.80 is: 28,825,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291,554.56 : 52,842,281.20 = 20,887,899.80 : x
  2. Step 2: Convert to fraction form
    38,291,554.56/52,842,281.20 = 20,887,899.80/x
  3. Step 3: Cross multiply
    38,291,554.56x = 52,842,281.20 × 20,887,899.80
  4. Step 4: Simplify right side
    38,291,554.56x = 1,103,764,274,909,023.88
  5. Step 5: Solve for x
    x = 1,103,764,274,909,023.88/38,291,554.56
  6. Step 6: Final answer
    x = 28,825,266.76

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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.