Home / 31,757,117.82-43,808,664.20-20,750,302.14

Finding the Fourth Proportional to 31,757,117.82, 43,808,664.20 and 20,750,302.14

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Solution

The fourth proportional to 31,757,117.82, 43,808,664.20 and 20,750,302.14 is: 28,624,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757,117.82 : 43,808,664.20 = 20,750,302.14 : x
  2. Step 2: Convert to fraction form
    31,757,117.82/43,808,664.20 = 20,750,302.14/x
  3. Step 3: Cross multiply
    31,757,117.82x = 43,808,664.20 × 20,750,302.14
  4. Step 4: Simplify right side
    31,757,117.82x = 909,043,018,332,633.88
  5. Step 5: Solve for x
    x = 909,043,018,332,633.88/31,757,117.82
  6. Step 6: Final answer
    x = 28,624,858.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.