Home / 18,531,704.94-25,574,696.73-10,688,300.37

Finding the Fourth Proportional to 18,531,704.94, 25,574,696.73 and 10,688,300.37

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Solution

The fourth proportional to 18,531,704.94, 25,574,696.73 and 10,688,300.37 is: 14,750,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,704.94 : 25,574,696.73 = 10,688,300.37 : x
  2. Step 2: Convert to fraction form
    18,531,704.94/25,574,696.73 = 10,688,300.37/x
  3. Step 3: Cross multiply
    18,531,704.94x = 25,574,696.73 × 10,688,300.37
  4. Step 4: Simplify right side
    18,531,704.94x = 273,350,040,521,896.78
  5. Step 5: Solve for x
    x = 273,350,040,521,896.78/18,531,704.94
  6. Step 6: Final answer
    x = 14,750,398.92

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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.