Home / 13,301,940.74-18,361,669.83-8,718,557.36

Finding the Fourth Proportional to 13,301,940.74, 18,361,669.83 and 8,718,557.36

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Solution

The fourth proportional to 13,301,940.74, 18,361,669.83 and 8,718,557.36 is: 12,034,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,940.74 : 18,361,669.83 = 8,718,557.36 : x
  2. Step 2: Convert to fraction form
    13,301,940.74/18,361,669.83 = 8,718,557.36/x
  3. Step 3: Cross multiply
    13,301,940.74x = 18,361,669.83 × 8,718,557.36
  4. Step 4: Simplify right side
    13,301,940.74x = 160,087,271,638,236.44
  5. Step 5: Solve for x
    x = 160,087,271,638,236.44/13,301,940.74
  6. Step 6: Final answer
    x = 12,034,880.83

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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.