Home / 9,578,336.81-13,218,413.20-5,448,262.03

Finding the Fourth Proportional to 9,578,336.81, 13,218,413.20 and 5,448,262.03

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Solution

The fourth proportional to 9,578,336.81, 13,218,413.20 and 5,448,262.03 is: 7,518,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578,336.81 : 13,218,413.20 = 5,448,262.03 : x
  2. Step 2: Convert to fraction form
    9,578,336.81/13,218,413.20 = 5,448,262.03/x
  3. Step 3: Cross multiply
    9,578,336.81x = 13,218,413.20 × 5,448,262.03
  4. Step 4: Simplify right side
    9,578,336.81x = 72,017,378,687,744.11
  5. Step 5: Solve for x
    x = 72,017,378,687,744.11/9,578,336.81
  6. Step 6: Final answer
    x = 7,518,777.02

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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.