Home / 20,108,200.30-30,162,300.45-6,645,028.30

Finding the Fourth Proportional to 20,108,200.30, 30,162,300.45 and 6,645,028.30

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Solution

The fourth proportional to 20,108,200.30, 30,162,300.45 and 6,645,028.30 is: 9,967,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,200.30 : 30,162,300.45 = 6,645,028.30 : x
  2. Step 2: Convert to fraction form
    20,108,200.30/30,162,300.45 = 6,645,028.30/x
  3. Step 3: Cross multiply
    20,108,200.30x = 30,162,300.45 × 6,645,028.30
  4. Step 4: Simplify right side
    20,108,200.30x = 200,429,340,083,352.72
  5. Step 5: Solve for x
    x = 200,429,340,083,352.72/20,108,200.30
  6. Step 6: Final answer
    x = 9,967,542.45

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1.5x scale

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.