Home / 21,526,778.12-32,305,298.30-19,468,606.76

Finding the Fourth Proportional to 21,526,778.12, 32,305,298.30 and 19,468,606.76

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Solution

The fourth proportional to 21,526,778.12, 32,305,298.30 and 19,468,606.76 is: 29,216,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526,778.12 : 32,305,298.30 = 19,468,606.76 : x
  2. Step 2: Convert to fraction form
    21,526,778.12/32,305,298.30 = 19,468,606.76/x
  3. Step 3: Cross multiply
    21,526,778.12x = 32,305,298.30 × 19,468,606.76
  4. Step 4: Simplify right side
    21,526,778.12x = 628,939,148,867,196.62
  5. Step 5: Solve for x
    x = 628,939,148,867,196.62/21,526,778.12
  6. Step 6: Final answer
    x = 29,216,594.58

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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.