Home / 8,463,225.62-11,679,084.55-4,978,940.96

Finding the Fourth Proportional to 8,463,225.62, 11,679,084.55 and 4,978,940.96

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Solution

The fourth proportional to 8,463,225.62, 11,679,084.55 and 4,978,940.96 is: 6,870,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463,225.62 : 11,679,084.55 = 4,978,940.96 : x
  2. Step 2: Convert to fraction form
    8,463,225.62/11,679,084.55 = 4,978,940.96/x
  3. Step 3: Cross multiply
    8,463,225.62x = 11,679,084.55 × 4,978,940.96
  4. Step 4: Simplify right side
    8,463,225.62x = 58,149,472,448,713.02
  5. Step 5: Solve for x
    x = 58,149,472,448,713.02/8,463,225.62
  6. Step 6: Final answer
    x = 6,870,840.39

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1.5x scale

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.