Home / 12,492,766.59-17,239,899.71-6,986,078.28

Finding the Fourth Proportional to 12,492,766.59, 17,239,899.71 and 6,986,078.28

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Solution

The fourth proportional to 12,492,766.59, 17,239,899.71 and 6,986,078.28 is: 9,640,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,766.59 : 17,239,899.71 = 6,986,078.28 : x
  2. Step 2: Convert to fraction form
    12,492,766.59/17,239,899.71 = 6,986,078.28/x
  3. Step 3: Cross multiply
    12,492,766.59x = 17,239,899.71 × 6,986,078.28
  4. Step 4: Simplify right side
    12,492,766.59x = 120,439,288,930,874.48
  5. Step 5: Solve for x
    x = 120,439,288,930,874.48/12,492,766.59
  6. Step 6: Final answer
    x = 9,640,721.94

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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.