Finding the Fourth Proportional to 19,967,829.62, 29,951,832.04 and 6,321,042.90
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Solution
The fourth proportional to 19,967,829.62, 29,951,832.04 and 6,321,042.90 is: 9,481,592.09
Step by Step Solution
- Step 1: Write the proportion equation
19,967,829.62 : 29,951,832.04 = 6,321,042.90 : x - Step 2: Convert to fraction form
19,967,829.62/29,951,832.04 = 6,321,042.90/x - Step 3: Cross multiply
19,967,829.62x = 29,951,832.04 × 6,321,042.90 - Step 4: Simplify right side
19,967,829.62x = 189,326,815,242,631.94 - Step 5: Solve for x
x = 189,326,815,242,631.94/19,967,829.62 - Step 6: Final answer
x = 9,481,592.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.