Home / 10,398,847.20-14,345,573.40-6,728,949.84

Finding the Fourth Proportional to 10,398,847.20, 14,345,573.40 and 6,728,949.84

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Solution

The fourth proportional to 10,398,847.20, 14,345,573.40 and 6,728,949.84 is: 9,282,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398,847.20 : 14,345,573.40 = 6,728,949.84 : x
  2. Step 2: Convert to fraction form
    10,398,847.20/14,345,573.40 = 6,728,949.84/x
  3. Step 3: Cross multiply
    10,398,847.20x = 14,345,573.40 × 6,728,949.84
  4. Step 4: Simplify right side
    10,398,847.20x = 96,530,643,834,638.25
  5. Step 5: Solve for x
    x = 96,530,643,834,638.25/10,398,847.20
  6. Step 6: Final answer
    x = 9,282,821.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.