Home / 21,409,612.20-29,544,514.70-11,619,860.27

Finding the Fourth Proportional to 21,409,612.20, 29,544,514.70 and 11,619,860.27

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Solution

The fourth proportional to 21,409,612.20, 29,544,514.70 and 11,619,860.27 is: 16,035,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,612.20 : 29,544,514.70 = 11,619,860.27 : x
  2. Step 2: Convert to fraction form
    21,409,612.20/29,544,514.70 = 11,619,860.27/x
  3. Step 3: Cross multiply
    21,409,612.20x = 29,544,514.70 × 11,619,860.27
  4. Step 4: Simplify right side
    21,409,612.20x = 343,303,132,353,139.12
  5. Step 5: Solve for x
    x = 343,303,132,353,139.12/21,409,612.20
  6. Step 6: Final answer
    x = 16,035,000.03

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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.