Home / 20,823,025.91-28,736,069.24-11,997,599.63

Finding the Fourth Proportional to 20,823,025.91, 28,736,069.24 and 11,997,599.63

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Solution

The fourth proportional to 20,823,025.91, 28,736,069.24 and 11,997,599.63 is: 16,556,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,025.91 : 28,736,069.24 = 11,997,599.63 : x
  2. Step 2: Convert to fraction form
    20,823,025.91/28,736,069.24 = 11,997,599.63/x
  3. Step 3: Cross multiply
    20,823,025.91x = 28,736,069.24 × 11,997,599.63
  4. Step 4: Simplify right side
    20,823,025.91x = 344,763,853,621,490.38
  5. Step 5: Solve for x
    x = 344,763,853,621,490.38/20,823,025.91
  6. Step 6: Final answer
    x = 16,556,856.58

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1.5x scale

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.