Home / 51,220,961.12-70,685,474.64-28,015,591.88

Finding the Fourth Proportional to 51,220,961.12, 70,685,474.64 and 28,015,591.88

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Solution

The fourth proportional to 51,220,961.12, 70,685,474.64 and 28,015,591.88 is: 38,661,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220,961.12 : 70,685,474.64 = 28,015,591.88 : x
  2. Step 2: Convert to fraction form
    51,220,961.12/70,685,474.64 = 28,015,591.88/x
  3. Step 3: Cross multiply
    51,220,961.12x = 70,685,474.64 × 28,015,591.88
  4. Step 4: Simplify right side
    51,220,961.12x = 1,980,295,409,358,329.75
  5. Step 5: Solve for x
    x = 1,980,295,409,358,329.75/51,220,961.12
  6. Step 6: Final answer
    x = 38,661,816.69

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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.