Home / 7,182,250.97-9,911,745.29-3,919,244.74

Finding the Fourth Proportional to 7,182,250.97, 9,911,745.29 and 3,919,244.74

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Solution

The fourth proportional to 7,182,250.97, 9,911,745.29 and 3,919,244.74 is: 5,408,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,250.97 : 9,911,745.29 = 3,919,244.74 : x
  2. Step 2: Convert to fraction form
    7,182,250.97/9,911,745.29 = 3,919,244.74/x
  3. Step 3: Cross multiply
    7,182,250.97x = 9,911,745.29 × 3,919,244.74
  4. Step 4: Simplify right side
    7,182,250.97x = 38,846,555,577,071.02
  5. Step 5: Solve for x
    x = 38,846,555,577,071.02/7,182,250.97
  6. Step 6: Final answer
    x = 5,408,688.14

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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.