Home / 12,286,234.80-18,437,646.60-8,016,001.20

Finding the Fourth Proportional to 12,286,234.80, 18,437,646.60 and 8,016,001.20

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Solution

The fourth proportional to 12,286,234.80, 18,437,646.60 and 8,016,001.20 is: 12,029,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,234.80 : 18,437,646.60 = 8,016,001.20 : x
  2. Step 2: Convert to fraction form
    12,286,234.80/18,437,646.60 = 8,016,001.20/x
  3. Step 3: Cross multiply
    12,286,234.80x = 18,437,646.60 × 8,016,001.20
  4. Step 4: Simplify right side
    12,286,234.80x = 147,796,197,270,775.94
  5. Step 5: Solve for x
    x = 147,796,197,270,775.94/12,286,234.80
  6. Step 6: Final answer
    x = 12,029,413.38

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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.