Finding the Fourth Proportional to 8,156,248.58, 11,255,912.55 and 4,485,444.26
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Solution
The fourth proportional to 8,156,248.58, 11,255,912.55 and 4,485,444.26 is: 6,190,072.28
Step by Step Solution
- Step 1: Write the proportion equation
8,156,248.58 : 11,255,912.55 = 4,485,444.26 : x - Step 2: Convert to fraction form
8,156,248.58/11,255,912.55 = 4,485,444.26/x - Step 3: Cross multiply
8,156,248.58x = 11,255,912.55 × 4,485,444.26 - Step 4: Simplify right side
8,156,248.58x = 50,487,768,282,179.90 - Step 5: Solve for x
x = 50,487,768,282,179.90/8,156,248.58 - Step 6: Final answer
x = 6,190,072.28
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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.