Home / 8,918,994.06-12,296,499.66-6,436,131.03

Finding the Fourth Proportional to 8,918,994.06, 12,296,499.66 and 6,436,131.03

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Solution

The fourth proportional to 8,918,994.06, 12,296,499.66 and 6,436,131.03 is: 8,873,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,994.06 : 12,296,499.66 = 6,436,131.03 : x
  2. Step 2: Convert to fraction form
    8,918,994.06/12,296,499.66 = 6,436,131.03/x
  3. Step 3: Cross multiply
    8,918,994.06x = 12,296,499.66 × 6,436,131.03
  4. Step 4: Simplify right side
    8,918,994.06x = 79,141,883,022,110.45
  5. Step 5: Solve for x
    x = 79,141,883,022,110.45/8,918,994.06
  6. Step 6: Final answer
    x = 8,873,409.10

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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.