Home / 8,451,733.80-12,678,378.30-3,401,999.40

Finding the Fourth Proportional to 8,451,733.80, 12,678,378.30 and 3,401,999.40

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Solution

The fourth proportional to 8,451,733.80, 12,678,378.30 and 3,401,999.40 is: 5,103,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451,733.80 : 12,678,378.30 = 3,401,999.40 : x
  2. Step 2: Convert to fraction form
    8,451,733.80/12,678,378.30 = 3,401,999.40/x
  3. Step 3: Cross multiply
    8,451,733.80x = 12,678,378.30 × 3,401,999.40
  4. Step 4: Simplify right side
    8,451,733.80x = 43,131,835,369,573.02
  5. Step 5: Solve for x
    x = 43,131,835,369,573.02/8,451,733.80
  6. Step 6: Final answer
    x = 5,103,312.10

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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.