Home / 31,702,822.22-47,485,906.86-21,411,088.88

Finding the Fourth Proportional to 31,702,822.22, 47,485,906.86 and 21,411,088.88

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Solution

The fourth proportional to 31,702,822.22, 47,485,906.86 and 21,411,088.88 is: 32,070,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702,822.22 : 47,485,906.86 = 21,411,088.88 : x
  2. Step 2: Convert to fraction form
    31,702,822.22/47,485,906.86 = 21,411,088.88/x
  3. Step 3: Cross multiply
    31,702,822.22x = 47,485,906.86 × 21,411,088.88
  4. Step 4: Simplify right side
    31,702,822.22x = 1,016,724,972,436,832
  5. Step 5: Solve for x
    x = 1,016,724,972,436,832/31,702,822.22
  6. Step 6: Final answer
    x = 32,070,487.78

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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.