Home / 6,643,459.80-9,167,974.47-3,587,673.78

Finding the Fourth Proportional to 6,643,459.80, 9,167,974.47 and 3,587,673.78

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Solution

The fourth proportional to 6,643,459.80, 9,167,974.47 and 3,587,673.78 is: 4,950,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,459.80 : 9,167,974.47 = 3,587,673.78 : x
  2. Step 2: Convert to fraction form
    6,643,459.80/9,167,974.47 = 3,587,673.78/x
  3. Step 3: Cross multiply
    6,643,459.80x = 9,167,974.47 × 3,587,673.78
  4. Step 4: Simplify right side
    6,643,459.80x = 32,891,701,621,728.40
  5. Step 5: Solve for x
    x = 32,891,701,621,728.40/6,643,459.80
  6. Step 6: Final answer
    x = 4,950,989.79

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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.