Home / 20,715,572.22-31,078,636.41-6,143,024.05

Finding the Fourth Proportional to 20,715,572.22, 31,078,636.41 and 6,143,024.05

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Solution

The fourth proportional to 20,715,572.22, 31,078,636.41 and 6,143,024.05 is: 9,216,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,572.22 : 31,078,636.41 = 6,143,024.05 : x
  2. Step 2: Convert to fraction form
    20,715,572.22/31,078,636.41 = 6,143,024.05/x
  3. Step 3: Cross multiply
    20,715,572.22x = 31,078,636.41 × 6,143,024.05
  4. Step 4: Simplify right side
    20,715,572.22x = 190,916,810,970,174.69
  5. Step 5: Solve for x
    x = 190,916,810,970,174.69/20,715,572.22
  6. Step 6: Final answer
    x = 9,216,101.25

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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.