Home / 8,076,389.40-12,131,432.10-6,816,677.40

Finding the Fourth Proportional to 8,076,389.40, 12,131,432.10 and 6,816,677.40

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Solution

The fourth proportional to 8,076,389.40, 12,131,432.10 and 6,816,677.40 is: 10,239,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,389.40 : 12,131,432.10 = 6,816,677.40 : x
  2. Step 2: Convert to fraction form
    8,076,389.40/12,131,432.10 = 6,816,677.40/x
  3. Step 3: Cross multiply
    8,076,389.40x = 12,131,432.10 × 6,816,677.40
  4. Step 4: Simplify right side
    8,076,389.40x = 82,696,059,025,704.55
  5. Step 5: Solve for x
    x = 82,696,059,025,704.55/8,076,389.40
  6. Step 6: Final answer
    x = 10,239,236.24

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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.