Home / 20,104,515.31-30,151,790.70-5,727,707.66

Finding the Fourth Proportional to 20,104,515.31, 30,151,790.70 and 5,727,707.66

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Solution

The fourth proportional to 20,104,515.31, 30,151,790.70 and 5,727,707.66 is: 8,590,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,515.31 : 30,151,790.70 = 5,727,707.66 : x
  2. Step 2: Convert to fraction form
    20,104,515.31/30,151,790.70 = 5,727,707.66/x
  3. Step 3: Cross multiply
    20,104,515.31x = 30,151,790.70 × 5,727,707.66
  4. Step 4: Simplify right side
    20,104,515.31x = 172,700,642,555,106.75
  5. Step 5: Solve for x
    x = 172,700,642,555,106.75/20,104,515.31
  6. Step 6: Final answer
    x = 8,590,142.06

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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.