Home / 28,462,855.96-39,278,684.82-15,410,111.32

Finding the Fourth Proportional to 28,462,855.96, 39,278,684.82 and 15,410,111.32

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Solution

The fourth proportional to 28,462,855.96, 39,278,684.82 and 15,410,111.32 is: 21,265,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462,855.96 : 39,278,684.82 = 15,410,111.32 : x
  2. Step 2: Convert to fraction form
    28,462,855.96/39,278,684.82 = 15,410,111.32/x
  3. Step 3: Cross multiply
    28,462,855.96x = 39,278,684.82 × 15,410,111.32
  4. Step 4: Simplify right side
    28,462,855.96x = 605,288,905,579,394.12
  5. Step 5: Solve for x
    x = 605,288,905,579,394.12/28,462,855.96
  6. Step 6: Final answer
    x = 21,265,923.08

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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.