Home / 28,840,449.87-39,799,817.64-15,787,717.56

Finding the Fourth Proportional to 28,840,449.87, 39,799,817.64 and 15,787,717.56

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Solution

The fourth proportional to 28,840,449.87, 39,799,817.64 and 15,787,717.56 is: 21,787,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840,449.87 : 39,799,817.64 = 15,787,717.56 : x
  2. Step 2: Convert to fraction form
    28,840,449.87/39,799,817.64 = 15,787,717.56/x
  3. Step 3: Cross multiply
    28,840,449.87x = 39,799,817.64 × 15,787,717.56
  4. Step 4: Simplify right side
    28,840,449.87x = 628,348,279,839,825.75
  5. Step 5: Solve for x
    x = 628,348,279,839,825.75/28,840,449.87
  6. Step 6: Final answer
    x = 21,787,048.49

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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.