Home / 8,890,381.78-12,268,764.45-4,816,000.78

Finding the Fourth Proportional to 8,890,381.78, 12,268,764.45 and 4,816,000.78

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Solution

The fourth proportional to 8,890,381.78, 12,268,764.45 and 4,816,000.78 is: 6,646,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890,381.78 : 12,268,764.45 = 4,816,000.78 : x
  2. Step 2: Convert to fraction form
    8,890,381.78/12,268,764.45 = 4,816,000.78/x
  3. Step 3: Cross multiply
    8,890,381.78x = 12,268,764.45 × 4,816,000.78
  4. Step 4: Simplify right side
    8,890,381.78x = 59,086,379,160,836.27
  5. Step 5: Solve for x
    x = 59,086,379,160,836.27/8,890,381.78
  6. Step 6: Final answer
    x = 6,646,101.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.