Home / 13,922,639.42-19,212,952.74-7,727,322.56

Finding the Fourth Proportional to 13,922,639.42, 19,212,952.74 and 7,727,322.56

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Solution

The fourth proportional to 13,922,639.42, 19,212,952.74 and 7,727,322.56 is: 10,663,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,639.42 : 19,212,952.74 = 7,727,322.56 : x
  2. Step 2: Convert to fraction form
    13,922,639.42/19,212,952.74 = 7,727,322.56/x
  3. Step 3: Cross multiply
    13,922,639.42x = 19,212,952.74 × 7,727,322.56
  4. Step 4: Simplify right side
    13,922,639.42x = 148,464,683,152,015.78
  5. Step 5: Solve for x
    x = 148,464,683,152,015.78/13,922,639.42
  6. Step 6: Final answer
    x = 10,663,544.37

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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.