Home / 13,627,622.82-18,809,029.83-7,829,601.51

Finding the Fourth Proportional to 13,627,622.82, 18,809,029.83 and 7,829,601.51

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Solution

The fourth proportional to 13,627,622.82, 18,809,029.83 and 7,829,601.51 is: 10,806,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627,622.82 : 18,809,029.83 = 7,829,601.51 : x
  2. Step 2: Convert to fraction form
    13,627,622.82/18,809,029.83 = 7,829,601.51/x
  3. Step 3: Cross multiply
    13,627,622.82x = 18,809,029.83 × 7,829,601.51
  4. Step 4: Simplify right side
    13,627,622.82x = 147,267,208,358,603.03
  5. Step 5: Solve for x
    x = 147,267,208,358,603.03/13,627,622.82
  6. Step 6: Final answer
    x = 10,806,522.19

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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.