Home / 31,733,334-47,599,996.80-20,948,107.80

Finding the Fourth Proportional to 31,733,334, 47,599,996.80 and 20,948,107.80

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Solution

The fourth proportional to 31,733,334, 47,599,996.80 and 20,948,107.80 is: 31,422,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,733,334 : 47,599,996.80 = 20,948,107.80 : x
  2. Step 2: Convert to fraction form
    31,733,334/47,599,996.80 = 20,948,107.80/x
  3. Step 3: Cross multiply
    31,733,334x = 47,599,996.80 × 20,948,107.80
  4. Step 4: Simplify right side
    31,733,334x = 997,129,864,246,055
  5. Step 5: Solve for x
    x = 997,129,864,246,055/31,733,334
  6. Step 6: Final answer
    x = 31,422,158.93

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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.