Home / 25,504,810.05-38,201,137.81-21,077,775.90

Finding the Fourth Proportional to 25,504,810.05, 38,201,137.81 and 21,077,775.90

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Solution

The fourth proportional to 25,504,810.05, 38,201,137.81 and 21,077,775.90 is: 31,570,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504,810.05 : 38,201,137.81 = 21,077,775.90 : x
  2. Step 2: Convert to fraction form
    25,504,810.05/38,201,137.81 = 21,077,775.90/x
  3. Step 3: Cross multiply
    25,504,810.05x = 38,201,137.81 × 21,077,775.90
  4. Step 4: Simplify right side
    25,504,810.05x = 805,195,021,884,196.75
  5. Step 5: Solve for x
    x = 805,195,021,884,196.75/25,504,810.05
  6. Step 6: Final answer
    x = 31,570,320.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.