Home / 28,255,131.50-42,389,015.25-10,304,235.50

Finding the Fourth Proportional to 28,255,131.50, 42,389,015.25 and 10,304,235.50

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Solution

The fourth proportional to 28,255,131.50, 42,389,015.25 and 10,304,235.50 is: 15,458,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,131.50 : 42,389,015.25 = 10,304,235.50 : x
  2. Step 2: Convert to fraction form
    28,255,131.50/42,389,015.25 = 10,304,235.50/x
  3. Step 3: Cross multiply
    28,255,131.50x = 42,389,015.25 × 10,304,235.50
  4. Step 4: Simplify right side
    28,255,131.50x = 436,786,395,749,091.38
  5. Step 5: Solve for x
    x = 436,786,395,749,091.38/28,255,131.50
  6. Step 6: Final answer
    x = 15,458,657.33

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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.