Home / 28,458,956.32-39,273,351.44-15,406,205.56

Finding the Fourth Proportional to 28,458,956.32, 39,273,351.44 and 15,406,205.56

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Solution

The fourth proportional to 28,458,956.32, 39,273,351.44 and 15,406,205.56 is: 21,260,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,956.32 : 39,273,351.44 = 15,406,205.56 : x
  2. Step 2: Convert to fraction form
    28,458,956.32/39,273,351.44 = 15,406,205.56/x
  3. Step 3: Cross multiply
    28,458,956.32x = 39,273,351.44 × 15,406,205.56
  4. Step 4: Simplify right side
    28,458,956.32x = 605,053,325,314,762
  5. Step 5: Solve for x
    x = 605,053,325,314,762/28,458,956.32
  6. Step 6: Final answer
    x = 21,260,559.19

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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.