Home / 12,456,659.96-17,190,690.74-6,950,515.76

Finding the Fourth Proportional to 12,456,659.96, 17,190,690.74 and 6,950,515.76

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Solution

The fourth proportional to 12,456,659.96, 17,190,690.74 and 6,950,515.76 is: 9,591,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,659.96 : 17,190,690.74 = 6,950,515.76 : x
  2. Step 2: Convert to fraction form
    12,456,659.96/17,190,690.74 = 6,950,515.76/x
  3. Step 3: Cross multiply
    12,456,659.96x = 17,190,690.74 × 6,950,515.76
  4. Step 4: Simplify right side
    12,456,659.96x = 119,484,166,913,656.05
  5. Step 5: Solve for x
    x = 119,484,166,913,656.05/12,456,659.96
  6. Step 6: Final answer
    x = 9,591,990.73

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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.