Finding the Fourth Proportional to 19,763,466.36, 29,647,590.66 and 6,981,355.32
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Solution
The fourth proportional to 19,763,466.36, 29,647,590.66 and 6,981,355.32 is: 10,472,877.63
Step by Step Solution
- Step 1: Write the proportion equation
19,763,466.36 : 29,647,590.66 = 6,981,355.32 : x - Step 2: Convert to fraction form
19,763,466.36/29,647,590.66 = 6,981,355.32/x - Step 3: Cross multiply
19,763,466.36x = 29,647,590.66 × 6,981,355.32 - Step 4: Simplify right side
19,763,466.36x = 206,980,364,779,373.31 - Step 5: Solve for x
x = 206,980,364,779,373.31/19,763,466.36 - Step 6: Final answer
x = 10,472,877.63
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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.