Finding the Fourth Proportional to 21,695,357.44, 29,932,177.62 and 12,396,256.12
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Solution
The fourth proportional to 21,695,357.44, 29,932,177.62 and 12,396,256.12 is: 17,102,596.31
Step by Step Solution
- Step 1: Write the proportion equation
21,695,357.44 : 29,932,177.62 = 12,396,256.12 : x - Step 2: Convert to fraction form
21,695,357.44/29,932,177.62 = 12,396,256.12/x - Step 3: Cross multiply
21,695,357.44x = 29,932,177.62 × 12,396,256.12 - Step 4: Simplify right side
21,695,357.44x = 371,046,940,006,852 - Step 5: Solve for x
x = 371,046,940,006,852/21,695,357.44 - Step 6: Final answer
x = 17,102,596.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.