Home / 17,938,558.80-26,916,236.28-7,839,867.60

Finding the Fourth Proportional to 17,938,558.80, 26,916,236.28 and 7,839,867.60

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Solution

The fourth proportional to 17,938,558.80, 26,916,236.28 and 7,839,867.60 is: 11,763,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938,558.80 : 26,916,236.28 = 7,839,867.60 : x
  2. Step 2: Convert to fraction form
    17,938,558.80/26,916,236.28 = 7,839,867.60/x
  3. Step 3: Cross multiply
    17,938,558.80x = 26,916,236.28 × 7,839,867.60
  4. Step 4: Simplify right side
    17,938,558.80x = 211,019,728,725,516.53
  5. Step 5: Solve for x
    x = 211,019,728,725,516.53/17,938,558.80
  6. Step 6: Final answer
    x = 11,763,471.70

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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.