Home / 19,900,939.40-29,851,576.22-5,525,128.20

Finding the Fourth Proportional to 19,900,939.40, 29,851,576.22 and 5,525,128.20

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Solution

The fourth proportional to 19,900,939.40, 29,851,576.22 and 5,525,128.20 is: 8,287,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900,939.40 : 29,851,576.22 = 5,525,128.20 : x
  2. Step 2: Convert to fraction form
    19,900,939.40/29,851,576.22 = 5,525,128.20/x
  3. Step 3: Cross multiply
    19,900,939.40x = 29,851,576.22 × 5,525,128.20
  4. Step 4: Simplify right side
    19,900,939.40x = 164,933,785,587,571.41
  5. Step 5: Solve for x
    x = 164,933,785,587,571.41/19,900,939.40
  6. Step 6: Final answer
    x = 8,287,738.70

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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.