Home / 8,272,623.15-12,408,927.44-2,515,403.97

Finding the Fourth Proportional to 8,272,623.15, 12,408,927.44 and 2,515,403.97

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Solution

The fourth proportional to 8,272,623.15, 12,408,927.44 and 2,515,403.97 is: 3,773,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,623.15 : 12,408,927.44 = 2,515,403.97 : x
  2. Step 2: Convert to fraction form
    8,272,623.15/12,408,927.44 = 2,515,403.97/x
  3. Step 3: Cross multiply
    8,272,623.15x = 12,408,927.44 × 2,515,403.97
  4. Step 4: Simplify right side
    8,272,623.15x = 31,213,465,333,440.92
  5. Step 5: Solve for x
    x = 31,213,465,333,440.92/8,272,623.15
  6. Step 6: Final answer
    x = 3,773,103.74

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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.