Home / 7,078,410.04-9,768,188.46-4,022,620.60

Finding the Fourth Proportional to 7,078,410.04, 9,768,188.46 and 4,022,620.60

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Solution

The fourth proportional to 7,078,410.04, 9,768,188.46 and 4,022,620.60 is: 5,551,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,410.04 : 9,768,188.46 = 4,022,620.60 : x
  2. Step 2: Convert to fraction form
    7,078,410.04/9,768,188.46 = 4,022,620.60/x
  3. Step 3: Cross multiply
    7,078,410.04x = 9,768,188.46 × 4,022,620.60
  4. Step 4: Simplify right side
    7,078,410.04x = 39,293,716,123,878.28
  5. Step 5: Solve for x
    x = 39,293,716,123,878.28/7,078,410.04
  6. Step 6: Final answer
    x = 5,551,206.54

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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.