Home / 7,939,318.65-11,909,688.41-3,081,511.27

Finding the Fourth Proportional to 7,939,318.65, 11,909,688.41 and 3,081,511.27

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Solution

The fourth proportional to 7,939,318.65, 11,909,688.41 and 3,081,511.27 is: 4,622,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,318.65 : 11,909,688.41 = 3,081,511.27 : x
  2. Step 2: Convert to fraction form
    7,939,318.65/11,909,688.41 = 3,081,511.27/x
  3. Step 3: Cross multiply
    7,939,318.65x = 11,909,688.41 × 3,081,511.27
  4. Step 4: Simplify right side
    7,939,318.65x = 36,699,839,042,195.82
  5. Step 5: Solve for x
    x = 36,699,839,042,195.82/7,939,318.65
  6. Step 6: Final answer
    x = 4,622,542.65

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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.