Home / 8,171,837.80-12,239,094.30-4,812,605.80

Finding the Fourth Proportional to 8,171,837.80, 12,239,094.30 and 4,812,605.80

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Solution

The fourth proportional to 8,171,837.80, 12,239,094.30 and 4,812,605.80 is: 7,207,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,837.80 : 12,239,094.30 = 4,812,605.80 : x
  2. Step 2: Convert to fraction form
    8,171,837.80/12,239,094.30 = 4,812,605.80/x
  3. Step 3: Cross multiply
    8,171,837.80x = 12,239,094.30 × 4,812,605.80
  4. Step 4: Simplify right side
    8,171,837.80x = 58,901,936,214,926.94
  5. Step 5: Solve for x
    x = 58,901,936,214,926.94/8,171,837.80
  6. Step 6: Final answer
    x = 7,207,917.93

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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.