Finding the Fourth Proportional to 18,045,808.56, 27,068,263.02 and 5,266,423.98
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Solution
The fourth proportional to 18,045,808.56, 27,068,263.02 and 5,266,423.98 is: 7,899,504.70
Step by Step Solution
- Step 1: Write the proportion equation
18,045,808.56 : 27,068,263.02 = 5,266,423.98 : x - Step 2: Convert to fraction form
18,045,808.56/27,068,263.02 = 5,266,423.98/x - Step 3: Cross multiply
18,045,808.56x = 27,068,263.02 × 5,266,423.98 - Step 4: Simplify right side
18,045,808.56x = 142,552,949,465,475.22 - Step 5: Solve for x
x = 142,552,949,465,475.22/18,045,808.56 - Step 6: Final answer
x = 7,899,504.70
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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.