Home / 12,492,772.02-17,239,907.21-6,986,083.73

Finding the Fourth Proportional to 12,492,772.02, 17,239,907.21 and 6,986,083.73

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Solution

The fourth proportional to 12,492,772.02, 17,239,907.21 and 6,986,083.73 is: 9,640,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,772.02 : 17,239,907.21 = 6,986,083.73 : x
  2. Step 2: Convert to fraction form
    12,492,772.02/17,239,907.21 = 6,986,083.73/x
  3. Step 3: Cross multiply
    12,492,772.02x = 17,239,907.21 × 6,986,083.73
  4. Step 4: Simplify right side
    12,492,772.02x = 120,439,435,145,360.72
  5. Step 5: Solve for x
    x = 120,439,435,145,360.72/12,492,772.02
  6. Step 6: Final answer
    x = 9,640,729.45

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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.