Home / 28,463,008.57-39,278,475.52-15,410,161.51

Finding the Fourth Proportional to 28,463,008.57, 39,278,475.52 and 15,410,161.51

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Solution

The fourth proportional to 28,463,008.57, 39,278,475.52 and 15,410,161.51 is: 21,265,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,008.57 : 39,278,475.52 = 15,410,161.51 : x
  2. Step 2: Convert to fraction form
    28,463,008.57/39,278,475.52 = 15,410,161.51/x
  3. Step 3: Cross multiply
    28,463,008.57x = 39,278,475.52 × 15,410,161.51
  4. Step 4: Simplify right side
    28,463,008.57x = 605,287,651,629,781.25
  5. Step 5: Solve for x
    x = 605,287,651,629,781.25/28,463,008.57
  6. Step 6: Final answer
    x = 21,265,765.01

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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.