Home / 7,618,528.36-10,513,872.39-4,180,892.41

Finding the Fourth Proportional to 7,618,528.36, 10,513,872.39 and 4,180,892.41

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Solution

The fourth proportional to 7,618,528.36, 10,513,872.39 and 4,180,892.41 is: 5,769,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,528.36 : 10,513,872.39 = 4,180,892.41 : x
  2. Step 2: Convert to fraction form
    7,618,528.36/10,513,872.39 = 4,180,892.41/x
  3. Step 3: Cross multiply
    7,618,528.36x = 10,513,872.39 × 4,180,892.41
  4. Step 4: Simplify right side
    7,618,528.36x = 43,957,369,275,059.56
  5. Step 5: Solve for x
    x = 43,957,369,275,059.56/7,618,528.36
  6. Step 6: Final answer
    x = 5,769,797.94

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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.