Home / 9,943,131.45-13,719,940.41-5,591,377.32

Finding the Fourth Proportional to 9,943,131.45, 13,719,940.41 and 5,591,377.32

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Solution

The fourth proportional to 9,943,131.45, 13,719,940.41 and 5,591,377.32 is: 7,715,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943,131.45 : 13,719,940.41 = 5,591,377.32 : x
  2. Step 2: Convert to fraction form
    9,943,131.45/13,719,940.41 = 5,591,377.32/x
  3. Step 3: Cross multiply
    9,943,131.45x = 13,719,940.41 × 5,591,377.32
  4. Step 4: Simplify right side
    9,943,131.45x = 76,713,363,640,225.50
  5. Step 5: Solve for x
    x = 76,713,363,640,225.50/9,943,131.45
  6. Step 6: Final answer
    x = 7,715,211.65

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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.