Home / 31,453,793.47-43,369,093.96-21,535,485.69

Finding the Fourth Proportional to 31,453,793.47, 43,369,093.96 and 21,535,485.69

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Solution

The fourth proportional to 31,453,793.47, 43,369,093.96 and 21,535,485.69 is: 29,693,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453,793.47 : 43,369,093.96 = 21,535,485.69 : x
  2. Step 2: Convert to fraction form
    31,453,793.47/43,369,093.96 = 21,535,485.69/x
  3. Step 3: Cross multiply
    31,453,793.47x = 43,369,093.96 × 21,535,485.69
  4. Step 4: Simplify right side
    31,453,793.47x = 933,974,502,593,778
  5. Step 5: Solve for x
    x = 933,974,502,593,778/31,453,793.47
  6. Step 6: Final answer
    x = 29,693,540.89

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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.