Home / 8,076,374.40-12,131,409.60-6,816,662.40

Finding the Fourth Proportional to 8,076,374.40, 12,131,409.60 and 6,816,662.40

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Solution

The fourth proportional to 8,076,374.40, 12,131,409.60 and 6,816,662.40 is: 10,239,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,374.40 : 12,131,409.60 = 6,816,662.40 : x
  2. Step 2: Convert to fraction form
    8,076,374.40/12,131,409.60 = 6,816,662.40/x
  3. Step 3: Cross multiply
    8,076,374.40x = 12,131,409.60 × 6,816,662.40
  4. Step 4: Simplify right side
    8,076,374.40x = 82,695,723,679,319.05
  5. Step 5: Solve for x
    x = 82,695,723,679,319.05/8,076,374.40
  6. Step 6: Final answer
    x = 10,239,213.73

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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.