Home / 21,409,182.35-29,544,700.89-11,619,626.68

Finding the Fourth Proportional to 21,409,182.35, 29,544,700.89 and 11,619,626.68

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Solution

The fourth proportional to 21,409,182.35, 29,544,700.89 and 11,619,626.68 is: 16,035,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,182.35 : 29,544,700.89 = 11,619,626.68 : x
  2. Step 2: Convert to fraction form
    21,409,182.35/29,544,700.89 = 11,619,626.68/x
  3. Step 3: Cross multiply
    21,409,182.35x = 29,544,700.89 × 11,619,626.68
  4. Step 4: Simplify right side
    21,409,182.35x = 343,298,394,714,063.75
  5. Step 5: Solve for x
    x = 343,298,394,714,063.75/21,409,182.35
  6. Step 6: Final answer
    x = 16,035,100.69

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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.