Home / 51,220,960.87-70,685,474.30-28,015,591.63

Finding the Fourth Proportional to 51,220,960.87, 70,685,474.30 and 28,015,591.63

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Solution

The fourth proportional to 51,220,960.87, 70,685,474.30 and 28,015,591.63 is: 38,661,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220,960.87 : 70,685,474.30 = 28,015,591.63 : x
  2. Step 2: Convert to fraction form
    51,220,960.87/70,685,474.30 = 28,015,591.63/x
  3. Step 3: Cross multiply
    51,220,960.87x = 70,685,474.30 × 28,015,591.63
  4. Step 4: Simplify right side
    51,220,960.87x = 1,980,295,382,021,582.25
  5. Step 5: Solve for x
    x = 1,980,295,382,021,582.25/51,220,960.87
  6. Step 6: Final answer
    x = 38,661,816.34

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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.