Home / 20,409,514.08-30,614,970.96-10,811,908.32

Finding the Fourth Proportional to 20,409,514.08, 30,614,970.96 and 10,811,908.32

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Solution

The fourth proportional to 20,409,514.08, 30,614,970.96 and 10,811,908.32 is: 16,218,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409,514.08 : 30,614,970.96 = 10,811,908.32 : x
  2. Step 2: Convert to fraction form
    20,409,514.08/30,614,970.96 = 10,811,908.32/x
  3. Step 3: Cross multiply
    20,409,514.08x = 30,614,970.96 × 10,811,908.32
  4. Step 4: Simplify right side
    20,409,514.08x = 331,006,259,238,982.38
  5. Step 5: Solve for x
    x = 331,006,259,238,982.38/20,409,514.08
  6. Step 6: Final answer
    x = 16,218,233.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.