Home / 12,311,557.84-16,990,003.41-6,729,918.31

Finding the Fourth Proportional to 12,311,557.84, 16,990,003.41 and 6,729,918.31

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Solution

The fourth proportional to 12,311,557.84, 16,990,003.41 and 6,729,918.31 is: 9,287,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,557.84 : 16,990,003.41 = 6,729,918.31 : x
  2. Step 2: Convert to fraction form
    12,311,557.84/16,990,003.41 = 6,729,918.31/x
  3. Step 3: Cross multiply
    12,311,557.84x = 16,990,003.41 × 6,729,918.31
  4. Step 4: Simplify right side
    12,311,557.84x = 114,341,334,950,971.42
  5. Step 5: Solve for x
    x = 114,341,334,950,971.42/12,311,557.84
  6. Step 6: Final answer
    x = 9,287,316.56

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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.