Home / 12,513,768-17,268,999.84-6,790,632

Finding the Fourth Proportional to 12,513,768, 17,268,999.84 and 6,790,632

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Solution

The fourth proportional to 12,513,768, 17,268,999.84 and 6,790,632 is: 9,371,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,768 : 17,268,999.84 = 6,790,632 : x
  2. Step 2: Convert to fraction form
    12,513,768/17,268,999.84 = 6,790,632/x
  3. Step 3: Cross multiply
    12,513,768x = 17,268,999.84 × 6,790,632
  4. Step 4: Simplify right side
    12,513,768x = 117,267,422,921,498.88
  5. Step 5: Solve for x
    x = 117,267,422,921,498.88/12,513,768
  6. Step 6: Final answer
    x = 9,371,072.16

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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.