Home / 13,922,584.32-19,212,876.78-7,727,267.58

Finding the Fourth Proportional to 13,922,584.32, 19,212,876.78 and 7,727,267.58

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Solution

The fourth proportional to 13,922,584.32, 19,212,876.78 and 7,727,267.58 is: 10,663,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,584.32 : 19,212,876.78 = 7,727,267.58 : x
  2. Step 2: Convert to fraction form
    13,922,584.32/19,212,876.78 = 7,727,267.58/x
  3. Step 3: Cross multiply
    13,922,584.32x = 19,212,876.78 × 7,727,267.58
  4. Step 4: Simplify right side
    13,922,584.32x = 148,463,039,860,628.81
  5. Step 5: Solve for x
    x = 148,463,039,860,628.81/13,922,584.32
  6. Step 6: Final answer
    x = 10,663,468.54

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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.