Home / 12,950,860.02-17,871,718.68-7,149,517.44

Finding the Fourth Proportional to 12,950,860.02, 17,871,718.68 and 7,149,517.44

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Solution

The fourth proportional to 12,950,860.02, 17,871,718.68 and 7,149,517.44 is: 9,866,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,860.02 : 17,871,718.68 = 7,149,517.44 : x
  2. Step 2: Convert to fraction form
    12,950,860.02/17,871,718.68 = 7,149,517.44/x
  3. Step 3: Cross multiply
    12,950,860.02x = 17,871,718.68 × 7,149,517.44
  4. Step 4: Simplify right side
    12,950,860.02x = 127,774,164,385,433.78
  5. Step 5: Solve for x
    x = 127,774,164,385,433.78/12,950,860.02
  6. Step 6: Final answer
    x = 9,866,075.63

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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.