Home / 28,463,015.30-39,278,484.80-15,410,168.24

Finding the Fourth Proportional to 28,463,015.30, 39,278,484.80 and 15,410,168.24

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Solution

The fourth proportional to 28,463,015.30, 39,278,484.80 and 15,410,168.24 is: 21,265,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,015.30 : 39,278,484.80 = 15,410,168.24 : x
  2. Step 2: Convert to fraction form
    28,463,015.30/39,278,484.80 = 15,410,168.24/x
  3. Step 3: Cross multiply
    28,463,015.30x = 39,278,484.80 × 15,410,168.24
  4. Step 4: Simplify right side
    28,463,015.30x = 605,288,058,706,839.50
  5. Step 5: Solve for x
    x = 605,288,058,706,839.50/28,463,015.30
  6. Step 6: Final answer
    x = 21,265,774.28

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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.