Home / 12,520,623.08-18,782,717.34-3,885,469.74

Finding the Fourth Proportional to 12,520,623.08, 18,782,717.34 and 3,885,469.74

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Solution

The fourth proportional to 12,520,623.08, 18,782,717.34 and 3,885,469.74 is: 5,828,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520,623.08 : 18,782,717.34 = 3,885,469.74 : x
  2. Step 2: Convert to fraction form
    12,520,623.08/18,782,717.34 = 3,885,469.74/x
  3. Step 3: Cross multiply
    12,520,623.08x = 18,782,717.34 × 3,885,469.74
  4. Step 4: Simplify right side
    12,520,623.08x = 72,979,679,859,543.30
  5. Step 5: Solve for x
    x = 72,979,679,859,543.30/12,520,623.08
  6. Step 6: Final answer
    x = 5,828,757.84

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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.