Home / 7,113,052.60-10,638,086.10-5,979,311.80

Finding the Fourth Proportional to 7,113,052.60, 10,638,086.10 and 5,979,311.80

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Solution

The fourth proportional to 7,113,052.60, 10,638,086.10 and 5,979,311.80 is: 8,942,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,052.60 : 10,638,086.10 = 5,979,311.80 : x
  2. Step 2: Convert to fraction form
    7,113,052.60/10,638,086.10 = 5,979,311.80/x
  3. Step 3: Cross multiply
    7,113,052.60x = 10,638,086.10 × 5,979,311.80
  4. Step 4: Simplify right side
    7,113,052.60x = 63,608,433,747,145.98
  5. Step 5: Solve for x
    x = 63,608,433,747,145.98/7,113,052.60
  6. Step 6: Final answer
    x = 8,942,494.50

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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.