Home / 8,686,965.40-13,032,003.30-3,638,786.20

Finding the Fourth Proportional to 8,686,965.40, 13,032,003.30 and 3,638,786.20

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Solution

The fourth proportional to 8,686,965.40, 13,032,003.30 and 3,638,786.20 is: 5,458,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,965.40 : 13,032,003.30 = 3,638,786.20 : x
  2. Step 2: Convert to fraction form
    8,686,965.40/13,032,003.30 = 3,638,786.20/x
  3. Step 3: Cross multiply
    8,686,965.40x = 13,032,003.30 × 3,638,786.20
  4. Step 4: Simplify right side
    8,686,965.40x = 47,420,673,766,394.47
  5. Step 5: Solve for x
    x = 47,420,673,766,394.47/8,686,965.40
  6. Step 6: Final answer
    x = 5,458,830.74

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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.