Home / 7,639,975.50-10,544,663.88-4,378,976.25

Finding the Fourth Proportional to 7,639,975.50, 10,544,663.88 and 4,378,976.25

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Solution

The fourth proportional to 7,639,975.50, 10,544,663.88 and 4,378,976.25 is: 6,043,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,975.50 : 10,544,663.88 = 4,378,976.25 : x
  2. Step 2: Convert to fraction form
    7,639,975.50/10,544,663.88 = 4,378,976.25/x
  3. Step 3: Cross multiply
    7,639,975.50x = 10,544,663.88 × 4,378,976.25
  4. Step 4: Simplify right side
    7,639,975.50x = 46,174,832,694,752.85
  5. Step 5: Solve for x
    x = 46,174,832,694,752.85/7,639,975.50
  6. Step 6: Final answer
    x = 6,043,845.65

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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.