Home / 22,480,001.42-31,020,670.34-12,691,413.15

Finding the Fourth Proportional to 22,480,001.42, 31,020,670.34 and 12,691,413.15

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Solution

The fourth proportional to 22,480,001.42, 31,020,670.34 and 12,691,413.15 is: 17,513,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480,001.42 : 31,020,670.34 = 12,691,413.15 : x
  2. Step 2: Convert to fraction form
    22,480,001.42/31,020,670.34 = 12,691,413.15/x
  3. Step 3: Cross multiply
    22,480,001.42x = 31,020,670.34 × 12,691,413.15
  4. Step 4: Simplify right side
    22,480,001.42x = 393,696,143,474,891
  5. Step 5: Solve for x
    x = 393,696,143,474,891/22,480,001.42
  6. Step 6: Final answer
    x = 17,513,172.54

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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.