Home / 12,521,536.70-18,782,305.05-6,144,244.70

Finding the Fourth Proportional to 12,521,536.70, 18,782,305.05 and 6,144,244.70

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Solution

The fourth proportional to 12,521,536.70, 18,782,305.05 and 6,144,244.70 is: 9,216,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,536.70 : 18,782,305.05 = 6,144,244.70 : x
  2. Step 2: Convert to fraction form
    12,521,536.70/18,782,305.05 = 6,144,244.70/x
  3. Step 3: Cross multiply
    12,521,536.70x = 18,782,305.05 × 6,144,244.70
  4. Step 4: Simplify right side
    12,521,536.70x = 115,403,078,257,245.75
  5. Step 5: Solve for x
    x = 115,403,078,257,245.75/12,521,536.70
  6. Step 6: Final answer
    x = 9,216,367.05

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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.