Home / 12,629,519.98-17,427,436.09-9,323,572.51

Finding the Fourth Proportional to 12,629,519.98, 17,427,436.09 and 9,323,572.51

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Solution

The fourth proportional to 12,629,519.98, 17,427,436.09 and 9,323,572.51 is: 12,865,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,519.98 : 17,427,436.09 = 9,323,572.51 : x
  2. Step 2: Convert to fraction form
    12,629,519.98/17,427,436.09 = 9,323,572.51/x
  3. Step 3: Cross multiply
    12,629,519.98x = 17,427,436.09 × 9,323,572.51
  4. Step 4: Simplify right side
    12,629,519.98x = 162,485,964,048,505.88
  5. Step 5: Solve for x
    x = 162,485,964,048,505.88/12,629,519.98
  6. Step 6: Final answer
    x = 12,865,569.26

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Double scale
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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.