Home / 8,913,108.20-13,369,662.30-8,346,237.80

Finding the Fourth Proportional to 8,913,108.20, 13,369,662.30 and 8,346,237.80

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Solution

The fourth proportional to 8,913,108.20, 13,369,662.30 and 8,346,237.80 is: 12,519,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913,108.20 : 13,369,662.30 = 8,346,237.80 : x
  2. Step 2: Convert to fraction form
    8,913,108.20/13,369,662.30 = 8,346,237.80/x
  3. Step 3: Cross multiply
    8,913,108.20x = 13,369,662.30 × 8,346,237.80
  4. Step 4: Simplify right side
    8,913,108.20x = 111,586,380,861,494.94
  5. Step 5: Solve for x
    x = 111,586,380,861,494.94/8,913,108.20
  6. Step 6: Final answer
    x = 12,519,356.70

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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.