Home / 13,882,831.53-19,158,067.35-7,687,755.51

Finding the Fourth Proportional to 13,882,831.53, 19,158,067.35 and 7,687,755.51

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Solution

The fourth proportional to 13,882,831.53, 19,158,067.35 and 7,687,755.51 is: 10,608,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882,831.53 : 19,158,067.35 = 7,687,755.51 : x
  2. Step 2: Convert to fraction form
    13,882,831.53/19,158,067.35 = 7,687,755.51/x
  3. Step 3: Cross multiply
    13,882,831.53x = 19,158,067.35 × 7,687,755.51
  4. Step 4: Simplify right side
    13,882,831.53x = 147,282,537,830,913.59
  5. Step 5: Solve for x
    x = 147,282,537,830,913.59/13,882,831.53
  6. Step 6: Final answer
    x = 10,608,969.61

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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.