Home / 20,237,450.37-27,927,681.51-10,945,020.38

Finding the Fourth Proportional to 20,237,450.37, 27,927,681.51 and 10,945,020.38

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Solution

The fourth proportional to 20,237,450.37, 27,927,681.51 and 10,945,020.38 is: 15,104,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237,450.37 : 27,927,681.51 = 10,945,020.38 : x
  2. Step 2: Convert to fraction form
    20,237,450.37/27,927,681.51 = 10,945,020.38/x
  3. Step 3: Cross multiply
    20,237,450.37x = 27,927,681.51 × 10,945,020.38
  4. Step 4: Simplify right side
    20,237,450.37x = 305,669,043,194,504.62
  5. Step 5: Solve for x
    x = 305,669,043,194,504.62/20,237,450.37
  6. Step 6: Final answer
    x = 15,104,128.12

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1.5x scale

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.