Home / 12,611,408.81-17,403,797.30-7,104,849.80

Finding the Fourth Proportional to 12,611,408.81, 17,403,797.30 and 7,104,849.80

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Solution

The fourth proportional to 12,611,408.81, 17,403,797.30 and 7,104,849.80 is: 9,804,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,408.81 : 17,403,797.30 = 7,104,849.80 : x
  2. Step 2: Convert to fraction form
    12,611,408.81/17,403,797.30 = 7,104,849.80/x
  3. Step 3: Cross multiply
    12,611,408.81x = 17,403,797.30 × 7,104,849.80
  4. Step 4: Simplify right side
    12,611,408.81x = 123,651,365,643,602.31
  5. Step 5: Solve for x
    x = 123,651,365,643,602.31/12,611,408.81
  6. Step 6: Final answer
    x = 9,804,722.66

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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.