Finding the Fourth Proportional to 10,529,497.92, 14,530,803.20 and 6,178,656.72
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Solution
The fourth proportional to 10,529,497.92, 14,530,803.20 and 6,178,656.72 is: 8,526,602.65
Step by Step Solution
- Step 1: Write the proportion equation
10,529,497.92 : 14,530,803.20 = 6,178,656.72 : x - Step 2: Convert to fraction form
10,529,497.92/14,530,803.20 = 6,178,656.72/x - Step 3: Cross multiply
10,529,497.92x = 14,530,803.20 × 6,178,656.72 - Step 4: Simplify right side
10,529,497.92x = 89,780,844,838,677.50 - Step 5: Solve for x
x = 89,780,844,838,677.50/10,529,497.92 - Step 6: Final answer
x = 8,526,602.65
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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.