Home / 7,921,163.40-11,907,114.30-7,359,541.80

Finding the Fourth Proportional to 7,921,163.40, 11,907,114.30 and 7,359,541.80

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Solution

The fourth proportional to 7,921,163.40, 11,907,114.30 and 7,359,541.80 is: 11,062,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,163.40 : 11,907,114.30 = 7,359,541.80 : x
  2. Step 2: Convert to fraction form
    7,921,163.40/11,907,114.30 = 7,359,541.80/x
  3. Step 3: Cross multiply
    7,921,163.40x = 11,907,114.30 × 7,359,541.80
  4. Step 4: Simplify right side
    7,921,163.40x = 87,630,905,408,227.75
  5. Step 5: Solve for x
    x = 87,630,905,408,227.75/7,921,163.40
  6. Step 6: Final answer
    x = 11,062,883.19

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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.