Finding the Fourth Proportional to 18,841,771.40, 28,264,730.70 and 6,877,099.40
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Solution
The fourth proportional to 18,841,771.40, 28,264,730.70 and 6,877,099.40 is: 10,316,405.95
Step by Step Solution
- Step 1: Write the proportion equation
18,841,771.40 : 28,264,730.70 = 6,877,099.40 : x - Step 2: Convert to fraction form
18,841,771.40/28,264,730.70 = 6,877,099.40/x - Step 3: Cross multiply
18,841,771.40x = 28,264,730.70 × 6,877,099.40 - Step 4: Simplify right side
18,841,771.40x = 194,379,362,538,131.59 - Step 5: Solve for x
x = 194,379,362,538,131.59/18,841,771.40 - Step 6: Final answer
x = 10,316,405.95
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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.