Finding the Fourth Proportional to 19,394,836.56, 29,092,400.68 and 8,609,237.82
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Solution
The fourth proportional to 19,394,836.56, 29,092,400.68 and 8,609,237.82 is: 12,913,921.47
Step by Step Solution
- Step 1: Write the proportion equation
19,394,836.56 : 29,092,400.68 = 8,609,237.82 : x - Step 2: Convert to fraction form
19,394,836.56/29,092,400.68 = 8,609,237.82/x - Step 3: Cross multiply
19,394,836.56x = 29,092,400.68 × 8,609,237.82 - Step 4: Simplify right side
19,394,836.56x = 250,463,396,208,849.72 - Step 5: Solve for x
x = 250,463,396,208,849.72/19,394,836.56 - Step 6: Final answer
x = 12,913,921.47
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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.