Home / 12,230,275.35-18,345,413.03-8,199,196.95

Finding the Fourth Proportional to 12,230,275.35, 18,345,413.03 and 8,199,196.95

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Solution

The fourth proportional to 12,230,275.35, 18,345,413.03 and 8,199,196.95 is: 12,298,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,275.35 : 18,345,413.03 = 8,199,196.95 : x
  2. Step 2: Convert to fraction form
    12,230,275.35/18,345,413.03 = 8,199,196.95/x
  3. Step 3: Cross multiply
    12,230,275.35x = 18,345,413.03 × 8,199,196.95
  4. Step 4: Simplify right side
    12,230,275.35x = 150,417,654,521,070.25
  5. Step 5: Solve for x
    x = 150,417,654,521,070.25/12,230,275.35
  6. Step 6: Final answer
    x = 12,298,795.43

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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.