Home / 13,017,380.61-17,965,816.44-8,057,413.98

Finding the Fourth Proportional to 13,017,380.61, 17,965,816.44 and 8,057,413.98

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Solution

The fourth proportional to 13,017,380.61, 17,965,816.44 and 8,057,413.98 is: 11,120,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,380.61 : 17,965,816.44 = 8,057,413.98 : x
  2. Step 2: Convert to fraction form
    13,017,380.61/17,965,816.44 = 8,057,413.98/x
  3. Step 3: Cross multiply
    13,017,380.61x = 17,965,816.44 × 8,057,413.98
  4. Step 4: Simplify right side
    13,017,380.61x = 144,758,020,545,769.84
  5. Step 5: Solve for x
    x = 144,758,020,545,769.84/13,017,380.61
  6. Step 6: Final answer
    x = 11,120,364.76

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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.