Home / 21,409,151.51-29,544,657.74-11,619,595.83

Finding the Fourth Proportional to 21,409,151.51, 29,544,657.74 and 11,619,595.83

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Solution

The fourth proportional to 21,409,151.51, 29,544,657.74 and 11,619,595.83 is: 16,035,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,151.51 : 29,544,657.74 = 11,619,595.83 : x
  2. Step 2: Convert to fraction form
    21,409,151.51/29,544,657.74 = 11,619,595.83/x
  3. Step 3: Cross multiply
    21,409,151.51x = 29,544,657.74 × 11,619,595.83
  4. Step 4: Simplify right side
    21,409,151.51x = 343,296,981,816,383.25
  5. Step 5: Solve for x
    x = 343,296,981,816,383.25/21,409,151.51
  6. Step 6: Final answer
    x = 16,035,057.80

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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.