Home / 31,651,836.69-47,471,111.91-8,927,419.53

Finding the Fourth Proportional to 31,651,836.69, 47,471,111.91 and 8,927,419.53

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Solution

The fourth proportional to 31,651,836.69, 47,471,111.91 and 8,927,419.53 is: 13,389,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651,836.69 : 47,471,111.91 = 8,927,419.53 : x
  2. Step 2: Convert to fraction form
    31,651,836.69/47,471,111.91 = 8,927,419.53/x
  3. Step 3: Cross multiply
    31,651,836.69x = 47,471,111.91 × 8,927,419.53
  4. Step 4: Simplify right side
    31,651,836.69x = 423,794,531,576,149.56
  5. Step 5: Solve for x
    x = 423,794,531,576,149.56/31,651,836.69
  6. Step 6: Final answer
    x = 13,389,255.60

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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.