Finding the Fourth Proportional to 18,312,166.80, 27,472,624.20 and 5,532,796.80
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Solution
The fourth proportional to 18,312,166.80, 27,472,624.20 and 5,532,796.80 is: 8,300,516.75
Step by Step Solution
- Step 1: Write the proportion equation
18,312,166.80 : 27,472,624.20 = 5,532,796.80 : x - Step 2: Convert to fraction form
18,312,166.80/27,472,624.20 = 5,532,796.80/x - Step 3: Cross multiply
18,312,166.80x = 27,472,624.20 × 5,532,796.80 - Step 4: Simplify right side
18,312,166.80x = 152,000,447,261,362.56 - Step 5: Solve for x
x = 152,000,447,261,362.56/18,312,166.80 - Step 6: Final answer
x = 8,300,516.75
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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.