Home / 12,379,360.86-18,544,885.20-8,106,575.22

Finding the Fourth Proportional to 12,379,360.86, 18,544,885.20 and 8,106,575.22

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Solution

The fourth proportional to 12,379,360.86, 18,544,885.20 and 8,106,575.22 is: 12,144,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,360.86 : 18,544,885.20 = 8,106,575.22 : x
  2. Step 2: Convert to fraction form
    12,379,360.86/18,544,885.20 = 8,106,575.22/x
  3. Step 3: Cross multiply
    12,379,360.86x = 18,544,885.20 × 8,106,575.22
  4. Step 4: Simplify right side
    12,379,360.86x = 150,335,506,820,064.72
  5. Step 5: Solve for x
    x = 150,335,506,820,064.72/12,379,360.86
  6. Step 6: Final answer
    x = 12,144,044.31

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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.