Home / 8,178,738.89-12,270,317.20-2,498,808.29

Finding the Fourth Proportional to 8,178,738.89, 12,270,317.20 and 2,498,808.29

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Solution

The fourth proportional to 8,178,738.89, 12,270,317.20 and 2,498,808.29 is: 3,748,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,738.89 : 12,270,317.20 = 2,498,808.29 : x
  2. Step 2: Convert to fraction form
    8,178,738.89/12,270,317.20 = 2,498,808.29/x
  3. Step 3: Cross multiply
    8,178,738.89x = 12,270,317.20 × 2,498,808.29
  4. Step 4: Simplify right side
    8,178,738.89x = 30,661,170,272,690.98
  5. Step 5: Solve for x
    x = 30,661,170,272,690.98/8,178,738.89
  6. Step 6: Final answer
    x = 3,748,887.29

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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.