Home / 12,513,656-17,268,845.28-6,790,520

Finding the Fourth Proportional to 12,513,656, 17,268,845.28 and 6,790,520

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Solution

The fourth proportional to 12,513,656, 17,268,845.28 and 6,790,520 is: 9,370,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,656 : 17,268,845.28 = 6,790,520 : x
  2. Step 2: Convert to fraction form
    12,513,656/17,268,845.28 = 6,790,520/x
  3. Step 3: Cross multiply
    12,513,656x = 17,268,845.28 × 6,790,520
  4. Step 4: Simplify right side
    12,513,656x = 117,264,439,250,745.61
  5. Step 5: Solve for x
    x = 117,264,439,250,745.61/12,513,656
  6. Step 6: Final answer
    x = 9,370,917.60

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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.