Finding the Fourth Proportional to 8,927,818.44, 12,321,529.10 and 5,257,076.55
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Solution
The fourth proportional to 8,927,818.44, 12,321,529.10 and 5,257,076.55 is: 7,255,436.71
Step by Step Solution
- Step 1: Write the proportion equation
8,927,818.44 : 12,321,529.10 = 5,257,076.55 : x - Step 2: Convert to fraction form
8,927,818.44/12,321,529.10 = 5,257,076.55/x - Step 3: Cross multiply
8,927,818.44x = 12,321,529.10 × 5,257,076.55 - Step 4: Simplify right side
8,927,818.44x = 64,775,221,665,467.23 - Step 5: Solve for x
x = 64,775,221,665,467.23/8,927,818.44 - Step 6: Final answer
x = 7,255,436.71
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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.