Home / 18,539,208.20-27,803,497.89-5,586,613.22

Finding the Fourth Proportional to 18,539,208.20, 27,803,497.89 and 5,586,613.22

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Solution

The fourth proportional to 18,539,208.20, 27,803,497.89 and 5,586,613.22 is: 8,378,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539,208.20 : 27,803,497.89 = 5,586,613.22 : x
  2. Step 2: Convert to fraction form
    18,539,208.20/27,803,497.89 = 5,586,613.22/x
  3. Step 3: Cross multiply
    18,539,208.20x = 27,803,497.89 × 5,586,613.22
  4. Step 4: Simplify right side
    18,539,208.20x = 155,327,388,874,516.09
  5. Step 5: Solve for x
    x = 155,327,388,874,516.09/18,539,208.20
  6. Step 6: Final answer
    x = 8,378,318.38

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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.