Home / 12,611,340.50-17,403,703.13-7,104,781.28

Finding the Fourth Proportional to 12,611,340.50, 17,403,703.13 and 7,104,781.28

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Solution

The fourth proportional to 12,611,340.50, 17,403,703.13 and 7,104,781.28 is: 9,804,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,340.50 : 17,403,703.13 = 7,104,781.28 : x
  2. Step 2: Convert to fraction form
    12,611,340.50/17,403,703.13 = 7,104,781.28/x
  3. Step 3: Cross multiply
    12,611,340.50x = 17,403,703.13 × 7,104,781.28
  4. Step 4: Simplify right side
    12,611,340.50x = 123,649,504,261,972.61
  5. Step 5: Solve for x
    x = 123,649,504,261,972.61/12,611,340.50
  6. Step 6: Final answer
    x = 9,804,628.17

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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.