Home / 9,639,644.46-13,302,845.08-5,288,651.70

Finding the Fourth Proportional to 9,639,644.46, 13,302,845.08 and 5,288,651.70

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Solution

The fourth proportional to 9,639,644.46, 13,302,845.08 and 5,288,651.70 is: 7,298,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,644.46 : 13,302,845.08 = 5,288,651.70 : x
  2. Step 2: Convert to fraction form
    9,639,644.46/13,302,845.08 = 5,288,651.70/x
  3. Step 3: Cross multiply
    9,639,644.46x = 13,302,845.08 × 5,288,651.70
  4. Step 4: Simplify right side
    9,639,644.46x = 70,354,114,247,178.64
  5. Step 5: Solve for x
    x = 70,354,114,247,178.64/9,639,644.46
  6. Step 6: Final answer
    x = 7,298,413.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.