Home / 20,796,826.04-31,198,077.75-8,663,451.39

Finding the Fourth Proportional to 20,796,826.04, 31,198,077.75 and 8,663,451.39

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Solution

The fourth proportional to 20,796,826.04, 31,198,077.75 and 8,663,451.39 is: 12,996,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796,826.04 : 31,198,077.75 = 8,663,451.39 : x
  2. Step 2: Convert to fraction form
    20,796,826.04/31,198,077.75 = 8,663,451.39/x
  3. Step 3: Cross multiply
    20,796,826.04x = 31,198,077.75 × 8,663,451.39
  4. Step 4: Simplify right side
    20,796,826.04x = 270,283,030,081,053.53
  5. Step 5: Solve for x
    x = 270,283,030,081,053.53/20,796,826.04
  6. Step 6: Final answer
    x = 12,996,359.62

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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.