Home / 20,110,851.70-30,166,277.55-7,331,773.30

Finding the Fourth Proportional to 20,110,851.70, 30,166,277.55 and 7,331,773.30

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Solution

The fourth proportional to 20,110,851.70, 30,166,277.55 and 7,331,773.30 is: 10,997,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,851.70 : 30,166,277.55 = 7,331,773.30 : x
  2. Step 2: Convert to fraction form
    20,110,851.70/30,166,277.55 = 7,331,773.30/x
  3. Step 3: Cross multiply
    20,110,851.70x = 30,166,277.55 × 7,331,773.30
  4. Step 4: Simplify right side
    20,110,851.70x = 221,172,308,301,479.41
  5. Step 5: Solve for x
    x = 221,172,308,301,479.41/20,110,851.70
  6. Step 6: Final answer
    x = 10,997,659.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.