Home / 13,353,914.73-18,422,551.35-7,844,804.32

Finding the Fourth Proportional to 13,353,914.73, 18,422,551.35 and 7,844,804.32

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Solution

The fourth proportional to 13,353,914.73, 18,422,551.35 and 7,844,804.32 is: 10,822,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,914.73 : 18,422,551.35 = 7,844,804.32 : x
  2. Step 2: Convert to fraction form
    13,353,914.73/18,422,551.35 = 7,844,804.32/x
  3. Step 3: Cross multiply
    13,353,914.73x = 18,422,551.35 × 7,844,804.32
  4. Step 4: Simplify right side
    13,353,914.73x = 144,521,310,369,845.47
  5. Step 5: Solve for x
    x = 144,521,310,369,845.47/13,353,914.73
  6. Step 6: Final answer
    x = 10,822,392.78

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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.