Home / 13,353,915.98-18,422,553.07-7,844,805.57

Finding the Fourth Proportional to 13,353,915.98, 18,422,553.07 and 7,844,805.57

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Solution

The fourth proportional to 13,353,915.98, 18,422,553.07 and 7,844,805.57 is: 10,822,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,915.98 : 18,422,553.07 = 7,844,805.57 : x
  2. Step 2: Convert to fraction form
    13,353,915.98/18,422,553.07 = 7,844,805.57/x
  3. Step 3: Cross multiply
    13,353,915.98x = 18,422,553.07 × 7,844,805.57
  4. Step 4: Simplify right side
    13,353,915.98x = 144,521,346,937,156.59
  5. Step 5: Solve for x
    x = 144,521,346,937,156.59/13,353,915.98
  6. Step 6: Final answer
    x = 10,822,394.51

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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.