Home / 13,401,963.36-18,494,695.44-7,290,377.28

Finding the Fourth Proportional to 13,401,963.36, 18,494,695.44 and 7,290,377.28

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Solution

The fourth proportional to 13,401,963.36, 18,494,695.44 and 7,290,377.28 is: 10,060,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,963.36 : 18,494,695.44 = 7,290,377.28 : x
  2. Step 2: Convert to fraction form
    13,401,963.36/18,494,695.44 = 7,290,377.28/x
  3. Step 3: Cross multiply
    13,401,963.36x = 18,494,695.44 × 7,290,377.28
  4. Step 4: Simplify right side
    13,401,963.36x = 134,833,307,436,295.62
  5. Step 5: Solve for x
    x = 134,833,307,436,295.62/13,401,963.36
  6. Step 6: Final answer
    x = 10,060,713.03

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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.