Finding the Fourth Proportional to 18,037,319.85, 27,055,585.64 and 4,390,538.26
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Solution
The fourth proportional to 18,037,319.85, 27,055,585.64 and 4,390,538.26 is: 6,585,711.45
Step by Step Solution
- Step 1: Write the proportion equation
18,037,319.85 : 27,055,585.64 = 4,390,538.26 : x - Step 2: Convert to fraction form
18,037,319.85/27,055,585.64 = 4,390,538.26/x - Step 3: Cross multiply
18,037,319.85x = 27,055,585.64 × 4,390,538.26 - Step 4: Simplify right side
18,037,319.85x = 118,788,583,877,173.89 - Step 5: Solve for x
x = 118,788,583,877,173.89/18,037,319.85 - Step 6: Final answer
x = 6,585,711.45
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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.