Home / 7,182,259.72-9,911,757.37-3,919,253.49

Finding the Fourth Proportional to 7,182,259.72, 9,911,757.37 and 3,919,253.49

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Solution

The fourth proportional to 7,182,259.72, 9,911,757.37 and 3,919,253.49 is: 5,408,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,259.72 : 9,911,757.37 = 3,919,253.49 : x
  2. Step 2: Convert to fraction form
    7,182,259.72/9,911,757.37 = 3,919,253.49/x
  3. Step 3: Cross multiply
    7,182,259.72x = 9,911,757.37 × 3,919,253.49
  4. Step 4: Simplify right side
    7,182,259.72x = 38,846,689,664,405.72
  5. Step 5: Solve for x
    x = 38,846,689,664,405.72/7,182,259.72
  6. Step 6: Final answer
    x = 5,408,700.21

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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.