Home / 19,982,494.55-27,576,379.83-12,139,338.47

Finding the Fourth Proportional to 19,982,494.55, 27,576,379.83 and 12,139,338.47

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Solution

The fourth proportional to 19,982,494.55, 27,576,379.83 and 12,139,338.47 is: 16,752,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982,494.55 : 27,576,379.83 = 12,139,338.47 : x
  2. Step 2: Convert to fraction form
    19,982,494.55/27,576,379.83 = 12,139,338.47/x
  3. Step 3: Cross multiply
    19,982,494.55x = 27,576,379.83 × 12,139,338.47
  4. Step 4: Simplify right side
    19,982,494.55x = 334,759,008,395,769.12
  5. Step 5: Solve for x
    x = 334,759,008,395,769.12/19,982,494.55
  6. Step 6: Final answer
    x = 16,752,613.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.