Home / 8,676,062.88-13,016,814.84-5,221,571.64

Finding the Fourth Proportional to 8,676,062.88, 13,016,814.84 and 5,221,571.64

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Solution

The fourth proportional to 8,676,062.88, 13,016,814.84 and 5,221,571.64 is: 7,833,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,062.88 : 13,016,814.84 = 5,221,571.64 : x
  2. Step 2: Convert to fraction form
    8,676,062.88/13,016,814.84 = 5,221,571.64/x
  3. Step 3: Cross multiply
    8,676,062.88x = 13,016,814.84 × 5,221,571.64
  4. Step 4: Simplify right side
    8,676,062.88x = 67,968,231,211,675.13
  5. Step 5: Solve for x
    x = 67,968,231,211,675.13/8,676,062.88
  6. Step 6: Final answer
    x = 7,833,994.77

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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.