Home / 13,492,982.53-18,620,755.97-7,381,411.03

Finding the Fourth Proportional to 13,492,982.53, 18,620,755.97 and 7,381,411.03

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Solution

The fourth proportional to 13,492,982.53, 18,620,755.97 and 7,381,411.03 is: 10,186,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,982.53 : 18,620,755.97 = 7,381,411.03 : x
  2. Step 2: Convert to fraction form
    13,492,982.53/18,620,755.97 = 7,381,411.03/x
  3. Step 3: Cross multiply
    13,492,982.53x = 18,620,755.97 × 7,381,411.03
  4. Step 4: Simplify right side
    13,492,982.53x = 137,447,453,503,896.34
  5. Step 5: Solve for x
    x = 137,447,453,503,896.34/13,492,982.53
  6. Step 6: Final answer
    x = 10,186,587.97

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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.