Home / 13,698,537.75-18,903,310.34-7,503,611.95

Finding the Fourth Proportional to 13,698,537.75, 18,903,310.34 and 7,503,611.95

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Solution

The fourth proportional to 13,698,537.75, 18,903,310.34 and 7,503,611.95 is: 10,354,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,537.75 : 18,903,310.34 = 7,503,611.95 : x
  2. Step 2: Convert to fraction form
    13,698,537.75/18,903,310.34 = 7,503,611.95/x
  3. Step 3: Cross multiply
    13,698,537.75x = 18,903,310.34 × 7,503,611.95
  4. Step 4: Simplify right side
    13,698,537.75x = 141,843,105,324,264.50
  5. Step 5: Solve for x
    x = 141,843,105,324,264.50/13,698,537.75
  6. Step 6: Final answer
    x = 10,354,616.52

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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.