Home / 11,555,975.87-15,947,232.32-6,399,331.19

Finding the Fourth Proportional to 11,555,975.87, 15,947,232.32 and 6,399,331.19

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Solution

The fourth proportional to 11,555,975.87, 15,947,232.32 and 6,399,331.19 is: 8,831,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,975.87 : 15,947,232.32 = 6,399,331.19 : x
  2. Step 2: Convert to fraction form
    11,555,975.87/15,947,232.32 = 6,399,331.19/x
  3. Step 3: Cross multiply
    11,555,975.87x = 15,947,232.32 × 6,399,331.19
  4. Step 4: Simplify right side
    11,555,975.87x = 102,051,621,147,555.41
  5. Step 5: Solve for x
    x = 102,051,621,147,555.41/11,555,975.87
  6. Step 6: Final answer
    x = 8,831,069.08

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Why These Related Problems?

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