Home / 12,688,290.41-19,033,169.36-3,589,625.81

Finding the Fourth Proportional to 12,688,290.41, 19,033,169.36 and 3,589,625.81

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Solution

The fourth proportional to 12,688,290.41, 19,033,169.36 and 3,589,625.81 is: 5,384,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,290.41 : 19,033,169.36 = 3,589,625.81 : x
  2. Step 2: Convert to fraction form
    12,688,290.41/19,033,169.36 = 3,589,625.81/x
  3. Step 3: Cross multiply
    12,688,290.41x = 19,033,169.36 × 3,589,625.81
  4. Step 4: Simplify right side
    12,688,290.41x = 68,321,955,867,643.21
  5. Step 5: Solve for x
    x = 68,321,955,867,643.21/12,688,290.41
  6. Step 6: Final answer
    x = 5,384,646.29

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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.