Home / 13,739,407.22-20,707,868.24-11,843,205.50

Finding the Fourth Proportional to 13,739,407.22, 20,707,868.24 and 11,843,205.50

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Solution

The fourth proportional to 13,739,407.22, 20,707,868.24 and 11,843,205.50 is: 17,849,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,407.22 : 20,707,868.24 = 11,843,205.50 : x
  2. Step 2: Convert to fraction form
    13,739,407.22/20,707,868.24 = 11,843,205.50/x
  3. Step 3: Cross multiply
    13,739,407.22x = 20,707,868.24 × 11,843,205.50
  4. Step 4: Simplify right side
    13,739,407.22x = 245,247,539,033,243.31
  5. Step 5: Solve for x
    x = 245,247,539,033,243.31/13,739,407.22
  6. Step 6: Final answer
    x = 17,849,935.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.