Finding the Fourth Proportional to 10,327,369.32, 14,254,770.96 and 6,889,601.88
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Solution
The fourth proportional to 10,327,369.32, 14,254,770.96 and 6,889,601.88 is: 9,509,652.82
Step by Step Solution
- Step 1: Write the proportion equation
10,327,369.32 : 14,254,770.96 = 6,889,601.88 : x - Step 2: Convert to fraction form
10,327,369.32/14,254,770.96 = 6,889,601.88/x - Step 3: Cross multiply
10,327,369.32x = 14,254,770.96 × 6,889,601.88 - Step 4: Simplify right side
10,327,369.32x = 98,209,696,804,985.41 - Step 5: Solve for x
x = 98,209,696,804,985.41/10,327,369.32 - Step 6: Final answer
x = 9,509,652.82
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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.