Home / 19,431,334.70-29,147,002.05-9,331,520.30

Finding the Fourth Proportional to 19,431,334.70, 29,147,002.05 and 9,331,520.30

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Solution

The fourth proportional to 19,431,334.70, 29,147,002.05 and 9,331,520.30 is: 13,997,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,334.70 : 29,147,002.05 = 9,331,520.30 : x
  2. Step 2: Convert to fraction form
    19,431,334.70/29,147,002.05 = 9,331,520.30/x
  3. Step 3: Cross multiply
    19,431,334.70x = 29,147,002.05 × 9,331,520.30
  4. Step 4: Simplify right side
    19,431,334.70x = 271,985,841,313,716.66
  5. Step 5: Solve for x
    x = 271,985,841,313,716.66/19,431,334.70
  6. Step 6: Final answer
    x = 13,997,280.45

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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.