Finding the Fourth Proportional to 17,428,531.65, 26,139,298.28 and 8,330,611.65
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Solution
The fourth proportional to 17,428,531.65, 26,139,298.28 and 8,330,611.65 is: 12,494,244.90
Step by Step Solution
- Step 1: Write the proportion equation
17,428,531.65 : 26,139,298.28 = 8,330,611.65 : x - Step 2: Convert to fraction form
17,428,531.65/26,139,298.28 = 8,330,611.65/x - Step 3: Cross multiply
17,428,531.65x = 26,139,298.28 × 8,330,611.65 - Step 4: Simplify right side
17,428,531.65x = 217,756,342,732,539.91 - Step 5: Solve for x
x = 217,756,342,732,539.91/17,428,531.65 - Step 6: Final answer
x = 12,494,244.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.