Home / 11,555,980.25-15,947,238.35-6,399,335.57

Finding the Fourth Proportional to 11,555,980.25, 15,947,238.35 and 6,399,335.57

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Solution

The fourth proportional to 11,555,980.25, 15,947,238.35 and 6,399,335.57 is: 8,831,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,980.25 : 15,947,238.35 = 6,399,335.57 : x
  2. Step 2: Convert to fraction form
    11,555,980.25/15,947,238.35 = 6,399,335.57/x
  3. Step 3: Cross multiply
    11,555,980.25x = 15,947,238.35 × 6,399,335.57
  4. Step 4: Simplify right side
    11,555,980.25x = 102,051,729,552,685.25
  5. Step 5: Solve for x
    x = 102,051,729,552,685.25/11,555,980.25
  6. Step 6: Final answer
    x = 8,831,075.11

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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.