Home / 8,045,201.20-12,067,801.80-6,450,878.20

Finding the Fourth Proportional to 8,045,201.20, 12,067,801.80 and 6,450,878.20

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Solution

The fourth proportional to 8,045,201.20, 12,067,801.80 and 6,450,878.20 is: 9,676,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,201.20 : 12,067,801.80 = 6,450,878.20 : x
  2. Step 2: Convert to fraction form
    8,045,201.20/12,067,801.80 = 6,450,878.20/x
  3. Step 3: Cross multiply
    8,045,201.20x = 12,067,801.80 × 6,450,878.20
  4. Step 4: Simplify right side
    8,045,201.20x = 77,847,919,553,540.77
  5. Step 5: Solve for x
    x = 77,847,919,553,540.77/8,045,201.20
  6. Step 6: Final answer
    x = 9,676,317.30

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1.5x scale

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.