Home / 20,711,579.26-31,067,342.01-5,565,511.10

Finding the Fourth Proportional to 20,711,579.26, 31,067,342.01 and 5,565,511.10

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Solution

The fourth proportional to 20,711,579.26, 31,067,342.01 and 5,565,511.10 is: 8,348,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,579.26 : 31,067,342.01 = 5,565,511.10 : x
  2. Step 2: Convert to fraction form
    20,711,579.26/31,067,342.01 = 5,565,511.10/x
  3. Step 3: Cross multiply
    20,711,579.26x = 31,067,342.01 × 5,565,511.10
  4. Step 4: Simplify right side
    20,711,579.26x = 172,905,636,804,151.31
  5. Step 5: Solve for x
    x = 172,905,636,804,151.31/20,711,579.26
  6. Step 6: Final answer
    x = 8,348,259.43

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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.