Home / 13,300,639.63-18,355,086.41-7,792,696.53

Finding the Fourth Proportional to 13,300,639.63, 18,355,086.41 and 7,792,696.53

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Solution

The fourth proportional to 13,300,639.63, 18,355,086.41 and 7,792,696.53 is: 10,754,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,639.63 : 18,355,086.41 = 7,792,696.53 : x
  2. Step 2: Convert to fraction form
    13,300,639.63/18,355,086.41 = 7,792,696.53/x
  3. Step 3: Cross multiply
    13,300,639.63x = 18,355,086.41 × 7,792,696.53
  4. Step 4: Simplify right side
    13,300,639.63x = 143,035,618,136,093.69
  5. Step 5: Solve for x
    x = 143,035,618,136,093.69/13,300,639.63
  6. Step 6: Final answer
    x = 10,754,040.57

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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.