Finding the Fourth Proportional to 17,504,967.42, 26,266,702.20 and 12,420,258.03
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Solution
The fourth proportional to 17,504,967.42, 26,266,702.20 and 12,420,258.03 is: 18,636,950.93
Step by Step Solution
- Step 1: Write the proportion equation
17,504,967.42 : 26,266,702.20 = 12,420,258.03 : x - Step 2: Convert to fraction form
17,504,967.42/26,266,702.20 = 12,420,258.03/x - Step 3: Cross multiply
17,504,967.42x = 26,266,702.20 × 12,420,258.03 - Step 4: Simplify right side
17,504,967.42x = 326,239,218,921,168.62 - Step 5: Solve for x
x = 326,239,218,921,168.62/17,504,967.42 - Step 6: Final answer
x = 18,636,950.93
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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.