Home / 8,311,623.96-12,468,682.80-2,919,324

Finding the Fourth Proportional to 8,311,623.96, 12,468,682.80 and 2,919,324

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Solution

The fourth proportional to 8,311,623.96, 12,468,682.80 and 2,919,324 is: 4,379,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,623.96 : 12,468,682.80 = 2,919,324 : x
  2. Step 2: Convert to fraction form
    8,311,623.96/12,468,682.80 = 2,919,324/x
  3. Step 3: Cross multiply
    8,311,623.96x = 12,468,682.80 × 2,919,324
  4. Step 4: Simplify right side
    8,311,623.96x = 36,400,124,946,427.20
  5. Step 5: Solve for x
    x = 36,400,124,946,427.20/8,311,623.96
  6. Step 6: Final answer
    x = 4,379,423.94

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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.