Home / 12,117,906.67-16,722,127.26-6,610,953.90

Finding the Fourth Proportional to 12,117,906.67, 16,722,127.26 and 6,610,953.90

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Solution

The fourth proportional to 12,117,906.67, 16,722,127.26 and 6,610,953.90 is: 9,122,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,906.67 : 16,722,127.26 = 6,610,953.90 : x
  2. Step 2: Convert to fraction form
    12,117,906.67/16,722,127.26 = 6,610,953.90/x
  3. Step 3: Cross multiply
    12,117,906.67x = 16,722,127.26 × 6,610,953.90
  4. Step 4: Simplify right side
    12,117,906.67x = 110,549,212,425,793.31
  5. Step 5: Solve for x
    x = 110,549,212,425,793.31/12,117,906.67
  6. Step 6: Final answer
    x = 9,122,797.81

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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.