Home / 7,190,296.75-9,916,037.87-5,620,635.96

Finding the Fourth Proportional to 7,190,296.75, 9,916,037.87 and 5,620,635.96

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Solution

The fourth proportional to 7,190,296.75, 9,916,037.87 and 5,620,635.96 is: 7,751,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,296.75 : 9,916,037.87 = 5,620,635.96 : x
  2. Step 2: Convert to fraction form
    7,190,296.75/9,916,037.87 = 5,620,635.96/x
  3. Step 3: Cross multiply
    7,190,296.75x = 9,916,037.87 × 5,620,635.96
  4. Step 4: Simplify right side
    7,190,296.75x = 55,734,438,983,263.61
  5. Step 5: Solve for x
    x = 55,734,438,983,263.61/7,190,296.75
  6. Step 6: Final answer
    x = 7,751,340.58

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1.5x scale

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.