Home / 21,472,695.20-32,188,047.60-19,205,213.60

Finding the Fourth Proportional to 21,472,695.20, 32,188,047.60 and 19,205,213.60

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Solution

The fourth proportional to 21,472,695.20, 32,188,047.60 and 19,205,213.60 is: 28,789,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472,695.20 : 32,188,047.60 = 19,205,213.60 : x
  2. Step 2: Convert to fraction form
    21,472,695.20/32,188,047.60 = 19,205,213.60/x
  3. Step 3: Cross multiply
    21,472,695.20x = 32,188,047.60 × 19,205,213.60
  4. Step 4: Simplify right side
    21,472,695.20x = 618,178,329,524,967.38
  5. Step 5: Solve for x
    x = 618,178,329,524,967.38/21,472,695.20
  6. Step 6: Final answer
    x = 28,789,042.26

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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.