Home / 28,629,026.68-42,947,527.74-9,198,837.40

Finding the Fourth Proportional to 28,629,026.68, 42,947,527.74 and 9,198,837.40

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Solution

The fourth proportional to 28,629,026.68, 42,947,527.74 and 9,198,837.40 is: 13,799,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629,026.68 : 42,947,527.74 = 9,198,837.40 : x
  2. Step 2: Convert to fraction form
    28,629,026.68/42,947,527.74 = 9,198,837.40/x
  3. Step 3: Cross multiply
    28,629,026.68x = 42,947,527.74 × 9,198,837.40
  4. Step 4: Simplify right side
    28,629,026.68x = 395,067,324,412,249.50
  5. Step 5: Solve for x
    x = 395,067,324,412,249.50/28,629,026.68
  6. Step 6: Final answer
    x = 13,799,537.40

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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.