Finding the Fourth Proportional to 26,418,286.92, 39,639,953.79 and 12,763,779.96
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Solution
The fourth proportional to 26,418,286.92, 39,639,953.79 and 12,763,779.96 is: 19,151,720.52
Step by Step Solution
- Step 1: Write the proportion equation
26,418,286.92 : 39,639,953.79 = 12,763,779.96 : x - Step 2: Convert to fraction form
26,418,286.92/39,639,953.79 = 12,763,779.96/x - Step 3: Cross multiply
26,418,286.92x = 39,639,953.79 × 12,763,779.96 - Step 4: Simplify right side
26,418,286.92x = 505,955,647,800,128.06 - Step 5: Solve for x
x = 505,955,647,800,128.06/26,418,286.92 - Step 6: Final answer
x = 19,151,720.52
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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.