Home / 8,305,231.20-12,457,846.80-2,919,962.40

Finding the Fourth Proportional to 8,305,231.20, 12,457,846.80 and 2,919,962.40

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Solution

The fourth proportional to 8,305,231.20, 12,457,846.80 and 2,919,962.40 is: 4,379,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,231.20 : 12,457,846.80 = 2,919,962.40 : x
  2. Step 2: Convert to fraction form
    8,305,231.20/12,457,846.80 = 2,919,962.40/x
  3. Step 3: Cross multiply
    8,305,231.20x = 12,457,846.80 × 2,919,962.40
  4. Step 4: Simplify right side
    8,305,231.20x = 36,376,444,240,960.32
  5. Step 5: Solve for x
    x = 36,376,444,240,960.32/8,305,231.20
  6. Step 6: Final answer
    x = 4,379,943.60

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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.