Home / 7,478,774.46-11,214,903.60-3,972,564.90

Finding the Fourth Proportional to 7,478,774.46, 11,214,903.60 and 3,972,564.90

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Solution

The fourth proportional to 7,478,774.46, 11,214,903.60 and 3,972,564.90 is: 5,957,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,774.46 : 11,214,903.60 = 3,972,564.90 : x
  2. Step 2: Convert to fraction form
    7,478,774.46/11,214,903.60 = 3,972,564.90/x
  3. Step 3: Cross multiply
    7,478,774.46x = 11,214,903.60 × 3,972,564.90
  4. Step 4: Simplify right side
    7,478,774.46x = 44,551,932,398,243.64
  5. Step 5: Solve for x
    x = 44,551,932,398,243.64/7,478,774.46
  6. Step 6: Final answer
    x = 5,957,116.72

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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.