Home / 21,861,189.40-32,811,612.90-11,085,986.20

Finding the Fourth Proportional to 21,861,189.40, 32,811,612.90 and 11,085,986.20

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Solution

The fourth proportional to 21,861,189.40, 32,811,612.90 and 11,085,986.20 is: 16,639,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861,189.40 : 32,811,612.90 = 11,085,986.20 : x
  2. Step 2: Convert to fraction form
    21,861,189.40/32,811,612.90 = 11,085,986.20/x
  3. Step 3: Cross multiply
    21,861,189.40x = 32,811,612.90 × 11,085,986.20
  4. Step 4: Simplify right side
    21,861,189.40x = 363,749,087,809,141.94
  5. Step 5: Solve for x
    x = 363,749,087,809,141.94/21,861,189.40
  6. Step 6: Final answer
    x = 16,639,034.65

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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.