Home / 7,478,773.95-11,214,902.85-3,972,564.40

Finding the Fourth Proportional to 7,478,773.95, 11,214,902.85 and 3,972,564.40

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Solution

The fourth proportional to 7,478,773.95, 11,214,902.85 and 3,972,564.40 is: 5,957,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,773.95 : 11,214,902.85 = 3,972,564.40 : x
  2. Step 2: Convert to fraction form
    7,478,773.95/11,214,902.85 = 3,972,564.40/x
  3. Step 3: Cross multiply
    7,478,773.95x = 11,214,902.85 × 3,972,564.40
  4. Step 4: Simplify right side
    7,478,773.95x = 44,551,923,811,368.54
  5. Step 5: Solve for x
    x = 44,551,923,811,368.54/7,478,773.95
  6. Step 6: Final answer
    x = 5,957,115.98

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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.