Home / 19,722,409.76-27,216,403.32-11,020,653.88

Finding the Fourth Proportional to 19,722,409.76, 27,216,403.32 and 11,020,653.88

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Solution

The fourth proportional to 19,722,409.76, 27,216,403.32 and 11,020,653.88 is: 15,208,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,409.76 : 27,216,403.32 = 11,020,653.88 : x
  2. Step 2: Convert to fraction form
    19,722,409.76/27,216,403.32 = 11,020,653.88/x
  3. Step 3: Cross multiply
    19,722,409.76x = 27,216,403.32 × 11,020,653.88
  4. Step 4: Simplify right side
    19,722,409.76x = 299,942,560,848,202.94
  5. Step 5: Solve for x
    x = 299,942,560,848,202.94/19,722,409.76
  6. Step 6: Final answer
    x = 15,208,210.58

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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.