Home / 30,310,185.84-45,494,022.54-18,760,717.02

Finding the Fourth Proportional to 30,310,185.84, 45,494,022.54 and 18,760,717.02

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Solution

The fourth proportional to 30,310,185.84, 45,494,022.54 and 18,760,717.02 is: 28,158,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,185.84 : 45,494,022.54 = 18,760,717.02 : x
  2. Step 2: Convert to fraction form
    30,310,185.84/45,494,022.54 = 18,760,717.02/x
  3. Step 3: Cross multiply
    30,310,185.84x = 45,494,022.54 × 18,760,717.02
  4. Step 4: Simplify right side
    30,310,185.84x = 853,500,482,974,441.62
  5. Step 5: Solve for x
    x = 853,500,482,974,441.62/30,310,185.84
  6. Step 6: Final answer
    x = 28,158,866.71

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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.