Home / 31,857,245.84-47,785,870.92-12,701,455

Finding the Fourth Proportional to 31,857,245.84, 47,785,870.92 and 12,701,455

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Solution

The fourth proportional to 31,857,245.84, 47,785,870.92 and 12,701,455 is: 19,052,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857,245.84 : 47,785,870.92 = 12,701,455 : x
  2. Step 2: Convert to fraction form
    31,857,245.84/47,785,870.92 = 12,701,455/x
  3. Step 3: Cross multiply
    31,857,245.84x = 47,785,870.92 × 12,701,455
  4. Step 4: Simplify right side
    31,857,245.84x = 606,950,089,126,188.62
  5. Step 5: Solve for x
    x = 606,950,089,126,188.62/31,857,245.84
  6. Step 6: Final answer
    x = 19,052,183.36

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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.