Home / 9,982,515-13,775,870.69-5,398,836.37

Finding the Fourth Proportional to 9,982,515, 13,775,870.69 and 5,398,836.37

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Solution

The fourth proportional to 9,982,515, 13,775,870.69 and 5,398,836.37 is: 7,450,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,515 : 13,775,870.69 = 5,398,836.37 : x
  2. Step 2: Convert to fraction form
    9,982,515/13,775,870.69 = 5,398,836.37/x
  3. Step 3: Cross multiply
    9,982,515x = 13,775,870.69 × 5,398,836.37
  4. Step 4: Simplify right side
    9,982,515x = 74,373,671,709,589
  5. Step 5: Solve for x
    x = 74,373,671,709,589/9,982,515
  6. Step 6: Final answer
    x = 7,450,394.19

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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.