Home / 20,881,182.20-31,321,773.30-19,464,006.20

Finding the Fourth Proportional to 20,881,182.20, 31,321,773.30 and 19,464,006.20

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Solution

The fourth proportional to 20,881,182.20, 31,321,773.30 and 19,464,006.20 is: 29,196,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,881,182.20 : 31,321,773.30 = 19,464,006.20 : x
  2. Step 2: Convert to fraction form
    20,881,182.20/31,321,773.30 = 19,464,006.20/x
  3. Step 3: Cross multiply
    20,881,182.20x = 31,321,773.30 × 19,464,006.20
  4. Step 4: Simplify right side
    20,881,182.20x = 609,647,189,706,194.50
  5. Step 5: Solve for x
    x = 609,647,189,706,194.50/20,881,182.20
  6. Step 6: Final answer
    x = 29,196,009.30

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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.