Home / 8,067,863.80-12,101,795.70-7,748,999.20

Finding the Fourth Proportional to 8,067,863.80, 12,101,795.70 and 7,748,999.20

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Solution

The fourth proportional to 8,067,863.80, 12,101,795.70 and 7,748,999.20 is: 11,623,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067,863.80 : 12,101,795.70 = 7,748,999.20 : x
  2. Step 2: Convert to fraction form
    8,067,863.80/12,101,795.70 = 7,748,999.20/x
  3. Step 3: Cross multiply
    8,067,863.80x = 12,101,795.70 × 7,748,999.20
  4. Step 4: Simplify right side
    8,067,863.80x = 93,776,805,197,863.44
  5. Step 5: Solve for x
    x = 93,776,805,197,863.44/8,067,863.80
  6. Step 6: Final answer
    x = 11,623,498.80

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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.