Home / 7,924,992.10-11,879,192.16-3,316,618.85

Finding the Fourth Proportional to 7,924,992.10, 11,879,192.16 and 3,316,618.85

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Solution

The fourth proportional to 7,924,992.10, 11,879,192.16 and 3,316,618.85 is: 4,971,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924,992.10 : 11,879,192.16 = 3,316,618.85 : x
  2. Step 2: Convert to fraction form
    7,924,992.10/11,879,192.16 = 3,316,618.85/x
  3. Step 3: Cross multiply
    7,924,992.10x = 11,879,192.16 × 3,316,618.85
  4. Step 4: Simplify right side
    7,924,992.10x = 39,398,752,581,232.26
  5. Step 5: Solve for x
    x = 39,398,752,581,232.26/7,924,992.10
  6. Step 6: Final answer
    x = 4,971,456.39

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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.