Home / 31,788,022.80-47,682,034.20-7,853,494.80

Finding the Fourth Proportional to 31,788,022.80, 47,682,034.20 and 7,853,494.80

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Solution

The fourth proportional to 31,788,022.80, 47,682,034.20 and 7,853,494.80 is: 11,780,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788,022.80 : 47,682,034.20 = 7,853,494.80 : x
  2. Step 2: Convert to fraction form
    31,788,022.80/47,682,034.20 = 7,853,494.80/x
  3. Step 3: Cross multiply
    31,788,022.80x = 47,682,034.20 × 7,853,494.80
  4. Step 4: Simplify right side
    31,788,022.80x = 374,470,607,643,122.19
  5. Step 5: Solve for x
    x = 374,470,607,643,122.19/31,788,022.80
  6. Step 6: Final answer
    x = 11,780,242.20

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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.