Home / 20,034,174.51-30,056,442.92-11,731,989.42

Finding the Fourth Proportional to 20,034,174.51, 30,056,442.92 and 11,731,989.42

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Solution

The fourth proportional to 20,034,174.51, 30,056,442.92 and 11,731,989.42 is: 17,601,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034,174.51 : 30,056,442.92 = 11,731,989.42 : x
  2. Step 2: Convert to fraction form
    20,034,174.51/30,056,442.92 = 11,731,989.42/x
  3. Step 3: Cross multiply
    20,034,174.51x = 30,056,442.92 × 11,731,989.42
  4. Step 4: Simplify right side
    20,034,174.51x = 352,621,870,281,613.94
  5. Step 5: Solve for x
    x = 352,621,870,281,613.94/20,034,174.51
  6. Step 6: Final answer
    x = 17,601,018.21

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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.