Home / 12,421,048.92-18,633,595.89-3,668,212.91

Finding the Fourth Proportional to 12,421,048.92, 18,633,595.89 and 3,668,212.91

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Solution

The fourth proportional to 12,421,048.92, 18,633,595.89 and 3,668,212.91 is: 5,502,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,048.92 : 18,633,595.89 = 3,668,212.91 : x
  2. Step 2: Convert to fraction form
    12,421,048.92/18,633,595.89 = 3,668,212.91/x
  3. Step 3: Cross multiply
    12,421,048.92x = 18,633,595.89 × 3,668,212.91
  4. Step 4: Simplify right side
    12,421,048.92x = 68,351,997,063,760.73
  5. Step 5: Solve for x
    x = 68,351,997,063,760.73/12,421,048.92
  6. Step 6: Final answer
    x = 5,502,916.66

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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.