Home / 12,965,467.65-17,892,339.45-7,164,198.65

Finding the Fourth Proportional to 12,965,467.65, 17,892,339.45 and 7,164,198.65

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Solution

The fourth proportional to 12,965,467.65, 17,892,339.45 and 7,164,198.65 is: 9,886,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965,467.65 : 17,892,339.45 = 7,164,198.65 : x
  2. Step 2: Convert to fraction form
    12,965,467.65/17,892,339.45 = 7,164,198.65/x
  3. Step 3: Cross multiply
    12,965,467.65x = 17,892,339.45 × 7,164,198.65
  4. Step 4: Simplify right side
    12,965,467.65x = 128,184,274,110,696.77
  5. Step 5: Solve for x
    x = 128,184,274,110,696.77/12,965,467.65
  6. Step 6: Final answer
    x = 9,886,590.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.