Home / 31,782,945.70-47,674,855.95-9,063,845.38

Finding the Fourth Proportional to 31,782,945.70, 47,674,855.95 and 9,063,845.38

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Solution

The fourth proportional to 31,782,945.70, 47,674,855.95 and 9,063,845.38 is: 13,595,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782,945.70 : 47,674,855.95 = 9,063,845.38 : x
  2. Step 2: Convert to fraction form
    31,782,945.70/47,674,855.95 = 9,063,845.38/x
  3. Step 3: Cross multiply
    31,782,945.70x = 47,674,855.95 × 9,063,845.38
  4. Step 4: Simplify right side
    31,782,945.70x = 432,117,522,844,573.06
  5. Step 5: Solve for x
    x = 432,117,522,844,573.06/31,782,945.70
  6. Step 6: Final answer
    x = 13,595,892.81

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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.