Finding the Fourth Proportional to 21,493,694.08, 29,653,507.65 and 12,195,879.58
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Solution
The fourth proportional to 21,493,694.08, 29,653,507.65 and 12,195,879.58 is: 16,825,893.54
Step by Step Solution
- Step 1: Write the proportion equation
21,493,694.08 : 29,653,507.65 = 12,195,879.58 : x - Step 2: Convert to fraction form
21,493,694.08/29,653,507.65 = 12,195,879.58/x - Step 3: Cross multiply
21,493,694.08x = 29,653,507.65 × 12,195,879.58 - Step 4: Simplify right side
21,493,694.08x = 361,650,608,424,008.75 - Step 5: Solve for x
x = 361,650,608,424,008.75/21,493,694.08 - Step 6: Final answer
x = 16,825,893.54
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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.