Home / 12,614,838.30-17,416,039-8,271,501.38

Finding the Fourth Proportional to 12,614,838.30, 17,416,039 and 8,271,501.38

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Solution

The fourth proportional to 12,614,838.30, 17,416,039 and 8,271,501.38 is: 11,419,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614,838.30 : 17,416,039 = 8,271,501.38 : x
  2. Step 2: Convert to fraction form
    12,614,838.30/17,416,039 = 8,271,501.38/x
  3. Step 3: Cross multiply
    12,614,838.30x = 17,416,039 × 8,271,501.38
  4. Step 4: Simplify right side
    12,614,838.30x = 144,056,790,622,633.81
  5. Step 5: Solve for x
    x = 144,056,790,622,633.81/12,614,838.30
  6. Step 6: Final answer
    x = 11,419,630.37

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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.