Home / 8,421,192.48-12,632,247.69-2,663,495.82

Finding the Fourth Proportional to 8,421,192.48, 12,632,247.69 and 2,663,495.82

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Solution

The fourth proportional to 8,421,192.48, 12,632,247.69 and 2,663,495.82 is: 3,995,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,192.48 : 12,632,247.69 = 2,663,495.82 : x
  2. Step 2: Convert to fraction form
    8,421,192.48/12,632,247.69 = 2,663,495.82/x
  3. Step 3: Cross multiply
    8,421,192.48x = 12,632,247.69 × 2,663,495.82
  4. Step 4: Simplify right side
    8,421,192.48x = 33,645,938,919,519.65
  5. Step 5: Solve for x
    x = 33,645,938,919,519.65/8,421,192.48
  6. Step 6: Final answer
    x = 3,995,388.90

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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.