Home / 38,568,846.18-53,226,542.88-21,165,814.14

Finding the Fourth Proportional to 38,568,846.18, 53,226,542.88 and 21,165,814.14

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Solution

The fourth proportional to 38,568,846.18, 53,226,542.88 and 21,165,814.14 is: 29,209,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568,846.18 : 53,226,542.88 = 21,165,814.14 : x
  2. Step 2: Convert to fraction form
    38,568,846.18/53,226,542.88 = 21,165,814.14/x
  3. Step 3: Cross multiply
    38,568,846.18x = 53,226,542.88 × 21,165,814.14
  4. Step 4: Simplify right side
    38,568,846.18x = 1,126,583,113,912,820.50
  5. Step 5: Solve for x
    x = 1,126,583,113,912,820.50/38,568,846.18
  6. Step 6: Final answer
    x = 29,209,665.97

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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.