Home / 5,129,855.82-7,713,241.13-4,729,940.46

Finding the Fourth Proportional to 5,129,855.82, 7,713,241.13 and 4,729,940.46

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Solution

The fourth proportional to 5,129,855.82, 7,713,241.13 and 4,729,940.46 is: 7,111,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,855.82 : 7,713,241.13 = 4,729,940.46 : x
  2. Step 2: Convert to fraction form
    5,129,855.82/7,713,241.13 = 4,729,940.46/x
  3. Step 3: Cross multiply
    5,129,855.82x = 7,713,241.13 × 4,729,940.46
  4. Step 4: Simplify right side
    5,129,855.82x = 36,483,171,310,347.97
  5. Step 5: Solve for x
    x = 36,483,171,310,347.97/5,129,855.82
  6. Step 6: Final answer
    x = 7,111,929.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.