Home / 12,576,087.60-18,851,689.80-6,181,105.20

Finding the Fourth Proportional to 12,576,087.60, 18,851,689.80 and 6,181,105.20

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Solution

The fourth proportional to 12,576,087.60, 18,851,689.80 and 6,181,105.20 is: 9,265,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,087.60 : 18,851,689.80 = 6,181,105.20 : x
  2. Step 2: Convert to fraction form
    12,576,087.60/18,851,689.80 = 6,181,105.20/x
  3. Step 3: Cross multiply
    12,576,087.60x = 18,851,689.80 × 6,181,105.20
  4. Step 4: Simplify right side
    12,576,087.60x = 116,524,277,851,566.97
  5. Step 5: Solve for x
    x = 116,524,277,851,566.97/12,576,087.60
  6. Step 6: Final answer
    x = 9,265,542.80

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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.