Home / 14,722,921-20,315,998.02-8,195,046.76

Finding the Fourth Proportional to 14,722,921, 20,315,998.02 and 8,195,046.76

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Solution

The fourth proportional to 14,722,921, 20,315,998.02 and 8,195,046.76 is: 11,308,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722,921 : 20,315,998.02 = 8,195,046.76 : x
  2. Step 2: Convert to fraction form
    14,722,921/20,315,998.02 = 8,195,046.76/x
  3. Step 3: Cross multiply
    14,722,921x = 20,315,998.02 × 8,195,046.76
  4. Step 4: Simplify right side
    14,722,921x = 166,490,553,749,967.41
  5. Step 5: Solve for x
    x = 166,490,553,749,967.41/14,722,921
  6. Step 6: Final answer
    x = 11,308,255.59

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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.