Home / 31,539,844.37-47,317,757.20-9,681,331.82

Finding the Fourth Proportional to 31,539,844.37, 47,317,757.20 and 9,681,331.82

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Solution

The fourth proportional to 31,539,844.37, 47,317,757.20 and 9,681,331.82 is: 14,524,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,844.37 : 47,317,757.20 = 9,681,331.82 : x
  2. Step 2: Convert to fraction form
    31,539,844.37/47,317,757.20 = 9,681,331.82/x
  3. Step 3: Cross multiply
    31,539,844.37x = 47,317,757.20 × 9,681,331.82
  4. Step 4: Simplify right side
    31,539,844.37x = 458,098,908,431,394.12
  5. Step 5: Solve for x
    x = 458,098,908,431,394.12/31,539,844.37
  6. Step 6: Final answer
    x = 14,524,450.50

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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.