Home / 9,982,520.39-13,775,878.12-5,398,841.77

Finding the Fourth Proportional to 9,982,520.39, 13,775,878.12 and 5,398,841.77

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Solution

The fourth proportional to 9,982,520.39, 13,775,878.12 and 5,398,841.77 is: 7,450,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,520.39 : 13,775,878.12 = 5,398,841.77 : x
  2. Step 2: Convert to fraction form
    9,982,520.39/13,775,878.12 = 5,398,841.77/x
  3. Step 3: Cross multiply
    9,982,520.39x = 13,775,878.12 × 5,398,841.77
  4. Step 4: Simplify right side
    9,982,520.39x = 74,373,786,174,871.09
  5. Step 5: Solve for x
    x = 74,373,786,174,871.09/9,982,520.39
  6. Step 6: Final answer
    x = 7,450,401.63

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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.