Home / 10,080,019.30-15,120,028.95-3,348,433.30

Finding the Fourth Proportional to 10,080,019.30, 15,120,028.95 and 3,348,433.30

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Solution

The fourth proportional to 10,080,019.30, 15,120,028.95 and 3,348,433.30 is: 5,022,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,019.30 : 15,120,028.95 = 3,348,433.30 : x
  2. Step 2: Convert to fraction form
    10,080,019.30/15,120,028.95 = 3,348,433.30/x
  3. Step 3: Cross multiply
    10,080,019.30x = 15,120,028.95 × 3,348,433.30
  4. Step 4: Simplify right side
    10,080,019.30x = 50,628,408,433,144.03
  5. Step 5: Solve for x
    x = 50,628,408,433,144.03/10,080,019.30
  6. Step 6: Final answer
    x = 5,022,649.95

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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.