Home / 31,856,777.28-47,771,879.49-9,991,523.07

Finding the Fourth Proportional to 31,856,777.28, 47,771,879.49 and 9,991,523.07

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Solution

The fourth proportional to 31,856,777.28, 47,771,879.49 and 9,991,523.07 is: 14,983,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856,777.28 : 47,771,879.49 = 9,991,523.07 : x
  2. Step 2: Convert to fraction form
    31,856,777.28/47,771,879.49 = 9,991,523.07/x
  3. Step 3: Cross multiply
    31,856,777.28x = 47,771,879.49 × 9,991,523.07
  4. Step 4: Simplify right side
    31,856,777.28x = 477,313,836,021,594.88
  5. Step 5: Solve for x
    x = 477,313,836,021,594.88/31,856,777.28
  6. Step 6: Final answer
    x = 14,983,117.46

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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.