Home / 12,513,864-17,269,132.32-6,790,728

Finding the Fourth Proportional to 12,513,864, 17,269,132.32 and 6,790,728

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Solution

The fourth proportional to 12,513,864, 17,269,132.32 and 6,790,728 is: 9,371,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,864 : 17,269,132.32 = 6,790,728 : x
  2. Step 2: Convert to fraction form
    12,513,864/17,269,132.32 = 6,790,728/x
  3. Step 3: Cross multiply
    12,513,864x = 17,269,132.32 × 6,790,728
  4. Step 4: Simplify right side
    12,513,864x = 117,269,980,381,128.97
  5. Step 5: Solve for x
    x = 117,269,980,381,128.97/12,513,864
  6. Step 6: Final answer
    x = 9,371,204.64

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1.5x scale

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.