Home / 7,601,174.74-10,489,491.49-4,116,485.21

Finding the Fourth Proportional to 7,601,174.74, 10,489,491.49 and 4,116,485.21

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Solution

The fourth proportional to 7,601,174.74, 10,489,491.49 and 4,116,485.21 is: 5,680,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601,174.74 : 10,489,491.49 = 4,116,485.21 : x
  2. Step 2: Convert to fraction form
    7,601,174.74/10,489,491.49 = 4,116,485.21/x
  3. Step 3: Cross multiply
    7,601,174.74x = 10,489,491.49 × 4,116,485.21
  4. Step 4: Simplify right side
    7,601,174.74x = 43,179,836,579,005.87
  5. Step 5: Solve for x
    x = 43,179,836,579,005.87/7,601,174.74
  6. Step 6: Final answer
    x = 5,680,679.38

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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.