Home / 18,733,629.84-28,056,794.63-18,216,471.32

Finding the Fourth Proportional to 18,733,629.84, 28,056,794.63 and 18,216,471.32

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Solution

The fourth proportional to 18,733,629.84, 28,056,794.63 and 18,216,471.32 is: 27,282,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733,629.84 : 28,056,794.63 = 18,216,471.32 : x
  2. Step 2: Convert to fraction form
    18,733,629.84/28,056,794.63 = 18,216,471.32/x
  3. Step 3: Cross multiply
    18,733,629.84x = 28,056,794.63 × 18,216,471.32
  4. Step 4: Simplify right side
    18,733,629.84x = 511,095,794,545,470.50
  5. Step 5: Solve for x
    x = 511,095,794,545,470.50/18,733,629.84
  6. Step 6: Final answer
    x = 27,282,261.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.