Home / 51,326,378.38-76,990,551.72-16,782,910.21

Finding the Fourth Proportional to 51,326,378.38, 76,990,551.72 and 16,782,910.21

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Solution

The fourth proportional to 51,326,378.38, 76,990,551.72 and 16,782,910.21 is: 25,174,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326,378.38 : 76,990,551.72 = 16,782,910.21 : x
  2. Step 2: Convert to fraction form
    51,326,378.38/76,990,551.72 = 16,782,910.21/x
  3. Step 3: Cross multiply
    51,326,378.38x = 76,990,551.72 × 16,782,910.21
  4. Step 4: Simplify right side
    51,326,378.38x = 1,292,125,516,535,121
  5. Step 5: Solve for x
    x = 1,292,125,516,535,121/51,326,378.38
  6. Step 6: Final answer
    x = 25,174,687.12

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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.