Home / 20,188,419.30-30,282,628.95-11,685,363.30

Finding the Fourth Proportional to 20,188,419.30, 30,282,628.95 and 11,685,363.30

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Solution

The fourth proportional to 20,188,419.30, 30,282,628.95 and 11,685,363.30 is: 17,528,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,419.30 : 30,282,628.95 = 11,685,363.30 : x
  2. Step 2: Convert to fraction form
    20,188,419.30/30,282,628.95 = 11,685,363.30/x
  3. Step 3: Cross multiply
    20,188,419.30x = 30,282,628.95 × 11,685,363.30
  4. Step 4: Simplify right side
    20,188,419.30x = 353,863,520,959,847.56
  5. Step 5: Solve for x
    x = 353,863,520,959,847.56/20,188,419.30
  6. Step 6: Final answer
    x = 17,528,044.95

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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.