Home / 7,442,353.40-11,163,530.10-7,342,820.60

Finding the Fourth Proportional to 7,442,353.40, 11,163,530.10 and 7,342,820.60

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Solution

The fourth proportional to 7,442,353.40, 11,163,530.10 and 7,342,820.60 is: 11,014,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,353.40 : 11,163,530.10 = 7,342,820.60 : x
  2. Step 2: Convert to fraction form
    7,442,353.40/11,163,530.10 = 7,342,820.60/x
  3. Step 3: Cross multiply
    7,442,353.40x = 11,163,530.10 × 7,342,820.60
  4. Step 4: Simplify right side
    7,442,353.40x = 81,971,798,787,000.05
  5. Step 5: Solve for x
    x = 81,971,798,787,000.05/7,442,353.40
  6. Step 6: Final answer
    x = 11,014,230.90

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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.