Home / 8,462,991.26-12,694,459.20-3,071,634.50

Finding the Fourth Proportional to 8,462,991.26, 12,694,459.20 and 3,071,634.50

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Solution

The fourth proportional to 8,462,991.26, 12,694,459.20 and 3,071,634.50 is: 4,607,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462,991.26 : 12,694,459.20 = 3,071,634.50 : x
  2. Step 2: Convert to fraction form
    8,462,991.26/12,694,459.20 = 3,071,634.50/x
  3. Step 3: Cross multiply
    8,462,991.26x = 12,694,459.20 × 3,071,634.50
  4. Step 4: Simplify right side
    8,462,991.26x = 38,992,738,837,562.40
  5. Step 5: Solve for x
    x = 38,992,738,837,562.40/8,462,991.26
  6. Step 6: Final answer
    x = 4,607,441.70

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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.