Home / 13,447,633.49-18,557,647.59-7,646,414.77

Finding the Fourth Proportional to 13,447,633.49, 18,557,647.59 and 7,646,414.77

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Solution

The fourth proportional to 13,447,633.49, 18,557,647.59 and 7,646,414.77 is: 10,552,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,633.49 : 18,557,647.59 = 7,646,414.77 : x
  2. Step 2: Convert to fraction form
    13,447,633.49/18,557,647.59 = 7,646,414.77/x
  3. Step 3: Cross multiply
    13,447,633.49x = 18,557,647.59 × 7,646,414.77
  4. Step 4: Simplify right side
    13,447,633.49x = 141,899,470,628,630.91
  5. Step 5: Solve for x
    x = 141,899,470,628,630.91/13,447,633.49
  6. Step 6: Final answer
    x = 10,552,003.13

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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.