Home / 12,731,690.96-17,573,444.04-8,322,057.68

Finding the Fourth Proportional to 12,731,690.96, 17,573,444.04 and 8,322,057.68

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Solution

The fourth proportional to 12,731,690.96, 17,573,444.04 and 8,322,057.68 is: 11,486,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,690.96 : 17,573,444.04 = 8,322,057.68 : x
  2. Step 2: Convert to fraction form
    12,731,690.96/17,573,444.04 = 8,322,057.68/x
  3. Step 3: Cross multiply
    12,731,690.96x = 17,573,444.04 × 8,322,057.68
  4. Step 4: Simplify right side
    12,731,690.96x = 146,247,214,937,132.22
  5. Step 5: Solve for x
    x = 146,247,214,937,132.22/12,731,690.96
  6. Step 6: Final answer
    x = 11,486,864.97

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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.