Home / 7,453,448.88-10,285,660.83-4,145,720.73

Finding the Fourth Proportional to 7,453,448.88, 10,285,660.83 and 4,145,720.73

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Solution

The fourth proportional to 7,453,448.88, 10,285,660.83 and 4,145,720.73 is: 5,721,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453,448.88 : 10,285,660.83 = 4,145,720.73 : x
  2. Step 2: Convert to fraction form
    7,453,448.88/10,285,660.83 = 4,145,720.73/x
  3. Step 3: Cross multiply
    7,453,448.88x = 10,285,660.83 × 4,145,720.73
  4. Step 4: Simplify right side
    7,453,448.88x = 42,641,477,324,680.01
  5. Step 5: Solve for x
    x = 42,641,477,324,680.01/7,453,448.88
  6. Step 6: Final answer
    x = 5,721,039.75

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Double scale
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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.