Home / 18,619,651.93-25,694,716.91-10,779,496.58

Finding the Fourth Proportional to 18,619,651.93, 25,694,716.91 and 10,779,496.58

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Solution

The fourth proportional to 18,619,651.93, 25,694,716.91 and 10,779,496.58 is: 14,875,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619,651.93 : 25,694,716.91 = 10,779,496.58 : x
  2. Step 2: Convert to fraction form
    18,619,651.93/25,694,716.91 = 10,779,496.58/x
  3. Step 3: Cross multiply
    18,619,651.93x = 25,694,716.91 × 10,779,496.58
  4. Step 4: Simplify right side
    18,619,651.93x = 276,976,113,055,413.16
  5. Step 5: Solve for x
    x = 276,976,113,055,413.16/18,619,651.93
  6. Step 6: Final answer
    x = 14,875,472.12

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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.