Home / 13,726,361.84-18,942,401.84-7,614,790.40

Finding the Fourth Proportional to 13,726,361.84, 18,942,401.84 and 7,614,790.40

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Solution

The fourth proportional to 13,726,361.84, 18,942,401.84 and 7,614,790.40 is: 10,508,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,361.84 : 18,942,401.84 = 7,614,790.40 : x
  2. Step 2: Convert to fraction form
    13,726,361.84/18,942,401.84 = 7,614,790.40/x
  3. Step 3: Cross multiply
    13,726,361.84x = 18,942,401.84 × 7,614,790.40
  4. Step 4: Simplify right side
    13,726,361.84x = 144,242,419,684,174.34
  5. Step 5: Solve for x
    x = 144,242,419,684,174.34/13,726,361.84
  6. Step 6: Final answer
    x = 10,508,423.23

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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.