Home / 21,903,015.82-30,224,938.74-11,977,939.92

Finding the Fourth Proportional to 21,903,015.82, 30,224,938.74 and 11,977,939.92

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Solution

The fourth proportional to 21,903,015.82, 30,224,938.74 and 11,977,939.92 is: 16,528,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903,015.82 : 30,224,938.74 = 11,977,939.92 : x
  2. Step 2: Convert to fraction form
    21,903,015.82/30,224,938.74 = 11,977,939.92/x
  3. Step 3: Cross multiply
    21,903,015.82x = 30,224,938.74 × 11,977,939.92
  4. Step 4: Simplify right side
    21,903,015.82x = 362,032,500,279,187.38
  5. Step 5: Solve for x
    x = 362,032,500,279,187.38/21,903,015.82
  6. Step 6: Final answer
    x = 16,528,888.23

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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.