Finding the Fourth Proportional to 11,121,328.60, 16,683,548.10 and 4,731,530.20
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Solution
The fourth proportional to 11,121,328.60, 16,683,548.10 and 4,731,530.20 is: 7,097,956.95
Step by Step Solution
- Step 1: Write the proportion equation
11,121,328.60 : 16,683,548.10 = 4,731,530.20 : x - Step 2: Convert to fraction form
11,121,328.60/16,683,548.10 = 4,731,530.20/x - Step 3: Cross multiply
11,121,328.60x = 16,683,548.10 × 4,731,530.20 - Step 4: Simplify right side
11,121,328.60x = 78,938,711,678,302.62 - Step 5: Solve for x
x = 78,938,711,678,302.62/11,121,328.60 - Step 6: Final answer
x = 7,097,956.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.