Home / 8,423,444.69-12,601,922.49-6,379,991.77

Finding the Fourth Proportional to 8,423,444.69, 12,601,922.49 and 6,379,991.77

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Solution

The fourth proportional to 8,423,444.69, 12,601,922.49 and 6,379,991.77 is: 9,544,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,444.69 : 12,601,922.49 = 6,379,991.77 : x
  2. Step 2: Convert to fraction form
    8,423,444.69/12,601,922.49 = 6,379,991.77/x
  3. Step 3: Cross multiply
    8,423,444.69x = 12,601,922.49 × 6,379,991.77
  4. Step 4: Simplify right side
    8,423,444.69x = 80,400,161,772,377.91
  5. Step 5: Solve for x
    x = 80,400,161,772,377.91/8,423,444.69
  6. Step 6: Final answer
    x = 9,544,807.94

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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.