Home / 8,687,562.80-13,036,009.80-3,639,383.60

Finding the Fourth Proportional to 8,687,562.80, 13,036,009.80 and 3,639,383.60

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Solution

The fourth proportional to 8,687,562.80, 13,036,009.80 and 3,639,383.60 is: 5,461,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,562.80 : 13,036,009.80 = 3,639,383.60 : x
  2. Step 2: Convert to fraction form
    8,687,562.80/13,036,009.80 = 3,639,383.60/x
  3. Step 3: Cross multiply
    8,687,562.80x = 13,036,009.80 × 3,639,383.60
  4. Step 4: Simplify right side
    8,687,562.80x = 47,443,040,275,559.28
  5. Step 5: Solve for x
    x = 47,443,040,275,559.28/8,687,562.80
  6. Step 6: Final answer
    x = 5,461,029.91

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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.