Finding the Fourth Proportional to 13,855,576.29, 19,120,364.98 and 7,744,573.41
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Solution
The fourth proportional to 13,855,576.29, 19,120,364.98 and 7,744,573.41 is: 10,687,326.68
Step by Step Solution
- Step 1: Write the proportion equation
13,855,576.29 : 19,120,364.98 = 7,744,573.41 : x - Step 2: Convert to fraction form
13,855,576.29/19,120,364.98 = 7,744,573.41/x - Step 3: Cross multiply
13,855,576.29x = 19,120,364.98 × 7,744,573.41 - Step 4: Simplify right side
13,855,576.29x = 148,079,070,213,603.19 - Step 5: Solve for x
x = 148,079,070,213,603.19/13,855,576.29 - Step 6: Final answer
x = 10,687,326.68
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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.