Home / 13,610,836.16-18,782,939.04-7,499,263.04

Finding the Fourth Proportional to 13,610,836.16, 18,782,939.04 and 7,499,263.04

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Solution

The fourth proportional to 13,610,836.16, 18,782,939.04 and 7,499,263.04 is: 10,348,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,836.16 : 18,782,939.04 = 7,499,263.04 : x
  2. Step 2: Convert to fraction form
    13,610,836.16/18,782,939.04 = 7,499,263.04/x
  3. Step 3: Cross multiply
    13,610,836.16x = 18,782,939.04 × 7,499,263.04
  4. Step 4: Simplify right side
    13,610,836.16x = 140,858,200,525,245.06
  5. Step 5: Solve for x
    x = 140,858,200,525,245.06/13,610,836.16
  6. Step 6: Final answer
    x = 10,348,974.81

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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.