Home / 19,313,361.78-26,645,847.49-11,968,515.01

Finding the Fourth Proportional to 19,313,361.78, 26,645,847.49 and 11,968,515.01

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Solution

The fourth proportional to 19,313,361.78, 26,645,847.49 and 11,968,515.01 is: 16,512,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,361.78 : 26,645,847.49 = 11,968,515.01 : x
  2. Step 2: Convert to fraction form
    19,313,361.78/26,645,847.49 = 11,968,515.01/x
  3. Step 3: Cross multiply
    19,313,361.78x = 26,645,847.49 × 11,968,515.01
  4. Step 4: Simplify right side
    19,313,361.78x = 318,911,225,638,235.81
  5. Step 5: Solve for x
    x = 318,911,225,638,235.81/19,313,361.78
  6. Step 6: Final answer
    x = 16,512,465.79

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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.