Home / 11,487,023.20-17,230,534.80-8,321,996.80

Finding the Fourth Proportional to 11,487,023.20, 17,230,534.80 and 8,321,996.80

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Solution

The fourth proportional to 11,487,023.20, 17,230,534.80 and 8,321,996.80 is: 12,482,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487,023.20 : 17,230,534.80 = 8,321,996.80 : x
  2. Step 2: Convert to fraction form
    11,487,023.20/17,230,534.80 = 8,321,996.80/x
  3. Step 3: Cross multiply
    11,487,023.20x = 17,230,534.80 × 8,321,996.80
  4. Step 4: Simplify right side
    11,487,023.20x = 143,392,455,467,888.66
  5. Step 5: Solve for x
    x = 143,392,455,467,888.66/11,487,023.20
  6. Step 6: Final answer
    x = 12,482,995.20

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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.