Finding the Fourth Proportional to 11,271,671.55, 15,554,912.36 and 6,115,031.73
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Solution
The fourth proportional to 11,271,671.55, 15,554,912.36 and 6,115,031.73 is: 8,438,746.83
Step by Step Solution
- Step 1: Write the proportion equation
11,271,671.55 : 15,554,912.36 = 6,115,031.73 : x - Step 2: Convert to fraction form
11,271,671.55/15,554,912.36 = 6,115,031.73/x - Step 3: Cross multiply
11,271,671.55x = 15,554,912.36 × 6,115,031.73 - Step 4: Simplify right side
11,271,671.55x = 95,118,782,608,194.03 - Step 5: Solve for x
x = 95,118,782,608,194.03/11,271,671.55 - Step 6: Final answer
x = 8,438,746.83
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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.