Home / 7,618,331.12-10,513,457.52-4,180,542.08

Finding the Fourth Proportional to 7,618,331.12, 10,513,457.52 and 4,180,542.08

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Solution

The fourth proportional to 7,618,331.12, 10,513,457.52 and 4,180,542.08 is: 5,769,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,331.12 : 10,513,457.52 = 4,180,542.08 : x
  2. Step 2: Convert to fraction form
    7,618,331.12/10,513,457.52 = 4,180,542.08/x
  3. Step 3: Cross multiply
    7,618,331.12x = 10,513,457.52 × 4,180,542.08
  4. Step 4: Simplify right side
    7,618,331.12x = 43,951,951,568,652.44
  5. Step 5: Solve for x
    x = 43,951,951,568,652.44/7,618,331.12
  6. Step 6: Final answer
    x = 5,769,236.19

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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.