Home / 13,369,993.36-18,450,805.26-7,258,417

Finding the Fourth Proportional to 13,369,993.36, 18,450,805.26 and 7,258,417

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Solution

The fourth proportional to 13,369,993.36, 18,450,805.26 and 7,258,417 is: 10,016,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,993.36 : 18,450,805.26 = 7,258,417 : x
  2. Step 2: Convert to fraction form
    13,369,993.36/18,450,805.26 = 7,258,417/x
  3. Step 3: Cross multiply
    13,369,993.36x = 18,450,805.26 × 7,258,417
  4. Step 4: Simplify right side
    13,369,993.36x = 133,923,638,562,873.44
  5. Step 5: Solve for x
    x = 133,923,638,562,873.44/13,369,993.36
  6. Step 6: Final answer
    x = 10,016,731.87

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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.