Home / 12,604,612.98-18,876,608.82-7,196,872.86

Finding the Fourth Proportional to 12,604,612.98, 18,876,608.82 and 7,196,872.86

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Solution

The fourth proportional to 12,604,612.98, 18,876,608.82 and 7,196,872.86 is: 10,778,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,612.98 : 18,876,608.82 = 7,196,872.86 : x
  2. Step 2: Convert to fraction form
    12,604,612.98/18,876,608.82 = 7,196,872.86/x
  3. Step 3: Cross multiply
    12,604,612.98x = 18,876,608.82 × 7,196,872.86
  4. Step 4: Simplify right side
    12,604,612.98x = 135,852,553,705,494.64
  5. Step 5: Solve for x
    x = 135,852,553,705,494.64/12,604,612.98
  6. Step 6: Final answer
    x = 10,778,002.78

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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.