Home / 30,310,154.05-45,493,974.83-18,760,685.19

Finding the Fourth Proportional to 30,310,154.05, 45,493,974.83 and 18,760,685.19

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Solution

The fourth proportional to 30,310,154.05, 45,493,974.83 and 18,760,685.19 is: 28,158,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,154.05 : 45,493,974.83 = 18,760,685.19 : x
  2. Step 2: Convert to fraction form
    30,310,154.05/45,493,974.83 = 18,760,685.19/x
  3. Step 3: Cross multiply
    30,310,154.05x = 45,493,974.83 × 18,760,685.19
  4. Step 4: Simplify right side
    30,310,154.05x = 853,498,139,827,413.75
  5. Step 5: Solve for x
    x = 853,498,139,827,413.75/30,310,154.05
  6. Step 6: Final answer
    x = 28,158,818.94

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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.