Home / 12,688,294.42-19,033,175.37-3,589,629.82

Finding the Fourth Proportional to 12,688,294.42, 19,033,175.37 and 3,589,629.82

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Solution

The fourth proportional to 12,688,294.42, 19,033,175.37 and 3,589,629.82 is: 5,384,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,294.42 : 19,033,175.37 = 3,589,629.82 : x
  2. Step 2: Convert to fraction form
    12,688,294.42/19,033,175.37 = 3,589,629.82/x
  3. Step 3: Cross multiply
    12,688,294.42x = 19,033,175.37 × 3,589,629.82
  4. Step 4: Simplify right side
    12,688,294.42x = 68,322,053,877,441.53
  5. Step 5: Solve for x
    x = 68,322,053,877,441.53/12,688,294.42
  6. Step 6: Final answer
    x = 5,384,652.31

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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.