Home / 31,856,778.53-47,771,881.37-9,991,524.32

Finding the Fourth Proportional to 31,856,778.53, 47,771,881.37 and 9,991,524.32

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Solution

The fourth proportional to 31,856,778.53, 47,771,881.37 and 9,991,524.32 is: 14,983,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856,778.53 : 47,771,881.37 = 9,991,524.32 : x
  2. Step 2: Convert to fraction form
    31,856,778.53/47,771,881.37 = 9,991,524.32/x
  3. Step 3: Cross multiply
    31,856,778.53x = 47,771,881.37 × 9,991,524.32
  4. Step 4: Simplify right side
    31,856,778.53x = 477,313,914,470,552.31
  5. Step 5: Solve for x
    x = 477,313,914,470,552.31/31,856,778.53
  6. Step 6: Final answer
    x = 14,983,119.34

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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.