Home / 13,702,900.37-18,908,476.85-7,589,797.97

Finding the Fourth Proportional to 13,702,900.37, 18,908,476.85 and 7,589,797.97

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Solution

The fourth proportional to 13,702,900.37, 18,908,476.85 and 7,589,797.97 is: 10,473,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,900.37 : 18,908,476.85 = 7,589,797.97 : x
  2. Step 2: Convert to fraction form
    13,702,900.37/18,908,476.85 = 7,589,797.97/x
  3. Step 3: Cross multiply
    13,702,900.37x = 18,908,476.85 × 7,589,797.97
  4. Step 4: Simplify right side
    13,702,900.37x = 143,511,519,136,354.09
  5. Step 5: Solve for x
    x = 143,511,519,136,354.09/13,702,900.37
  6. Step 6: Final answer
    x = 10,473,076.16

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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.