Home / 21,066,879.24-29,074,657.68-11,900,112.48

Finding the Fourth Proportional to 21,066,879.24, 29,074,657.68 and 11,900,112.48

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Solution

The fourth proportional to 21,066,879.24, 29,074,657.68 and 11,900,112.48 is: 16,423,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,879.24 : 29,074,657.68 = 11,900,112.48 : x
  2. Step 2: Convert to fraction form
    21,066,879.24/29,074,657.68 = 11,900,112.48/x
  3. Step 3: Cross multiply
    21,066,879.24x = 29,074,657.68 × 11,900,112.48
  4. Step 4: Simplify right side
    21,066,879.24x = 345,991,696,709,495.88
  5. Step 5: Solve for x
    x = 345,991,696,709,495.88/21,066,879.24
  6. Step 6: Final answer
    x = 16,423,490.77

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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.