Home / 13,887,006.40-20,812,413.78-7,738,743.04

Finding the Fourth Proportional to 13,887,006.40, 20,812,413.78 and 7,738,743.04

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Solution

The fourth proportional to 13,887,006.40, 20,812,413.78 and 7,738,743.04 is: 11,598,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,006.40 : 20,812,413.78 = 7,738,743.04 : x
  2. Step 2: Convert to fraction form
    13,887,006.40/20,812,413.78 = 7,738,743.04/x
  3. Step 3: Cross multiply
    13,887,006.40x = 20,812,413.78 × 7,738,743.04
  4. Step 4: Simplify right side
    13,887,006.40x = 161,061,922,285,575.09
  5. Step 5: Solve for x
    x = 161,061,922,285,575.09/13,887,006.40
  6. Step 6: Final answer
    x = 11,598,030.39

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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.