Finding the Fourth Proportional to 18,317,430.64, 27,476,893.19 and 4,670,930.94
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Solution
The fourth proportional to 18,317,430.64, 27,476,893.19 and 4,670,930.94 is: 7,006,586.95
Step by Step Solution
- Step 1: Write the proportion equation
18,317,430.64 : 27,476,893.19 = 4,670,930.94 : x - Step 2: Convert to fraction form
18,317,430.64/27,476,893.19 = 4,670,930.94/x - Step 3: Cross multiply
18,317,430.64x = 27,476,893.19 × 4,670,930.94 - Step 4: Simplify right side
18,317,430.64x = 128,342,670,536,246.31 - Step 5: Solve for x
x = 128,342,670,536,246.31/18,317,430.64 - Step 6: Final answer
x = 7,006,586.95
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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.