Home / 21,613,181.87-29,826,895.91-11,823,626.06

Finding the Fourth Proportional to 21,613,181.87, 29,826,895.91 and 11,823,626.06

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Solution

The fourth proportional to 21,613,181.87, 29,826,895.91 and 11,823,626.06 is: 16,316,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,181.87 : 29,826,895.91 = 11,823,626.06 : x
  2. Step 2: Convert to fraction form
    21,613,181.87/29,826,895.91 = 11,823,626.06/x
  3. Step 3: Cross multiply
    21,613,181.87x = 29,826,895.91 × 11,823,626.06
  4. Step 4: Simplify right side
    21,613,181.87x = 352,662,063,673,981.69
  5. Step 5: Solve for x
    x = 352,662,063,673,981.69/21,613,181.87
  6. Step 6: Final answer
    x = 16,316,989.59

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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.