Home / 8,499,469.66-11,728,925.94-4,631,907.78

Finding the Fourth Proportional to 8,499,469.66, 11,728,925.94 and 4,631,907.78

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Solution

The fourth proportional to 8,499,469.66, 11,728,925.94 and 4,631,907.78 is: 6,391,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,469.66 : 11,728,925.94 = 4,631,907.78 : x
  2. Step 2: Convert to fraction form
    8,499,469.66/11,728,925.94 = 4,631,907.78/x
  3. Step 3: Cross multiply
    8,499,469.66x = 11,728,925.94 × 4,631,907.78
  4. Step 4: Simplify right side
    8,499,469.66x = 54,327,303,312,529.81
  5. Step 5: Solve for x
    x = 54,327,303,312,529.81/8,499,469.66
  6. Step 6: Final answer
    x = 6,391,846.25

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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.