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Finding the Fourth Proportional to 8,857,859.04, 12,223,845.54 and 4,783,478.04

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Solution

The fourth proportional to 8,857,859.04, 12,223,845.54 and 4,783,478.04 is: 6,601,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,859.04 : 12,223,845.54 = 4,783,478.04 : x
  2. Step 2: Convert to fraction form
    8,857,859.04/12,223,845.54 = 4,783,478.04/x
  3. Step 3: Cross multiply
    8,857,859.04x = 12,223,845.54 × 4,783,478.04
  4. Step 4: Simplify right side
    8,857,859.04x = 58,472,496,704,941.94
  5. Step 5: Solve for x
    x = 58,472,496,704,941.94/8,857,859.04
  6. Step 6: Final answer
    x = 6,601,199.73

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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.