Finding the Fourth Proportional to 14,286,306.24, 19,715,261.22 and 8,407,239.84
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Solution
The fourth proportional to 14,286,306.24, 19,715,261.22 and 8,407,239.84 is: 11,602,084.32
Step by Step Solution
- Step 1: Write the proportion equation
14,286,306.24 : 19,715,261.22 = 8,407,239.84 : x - Step 2: Convert to fraction form
14,286,306.24/19,715,261.22 = 8,407,239.84/x - Step 3: Cross multiply
14,286,306.24x = 19,715,261.22 × 8,407,239.84 - Step 4: Simplify right side
14,286,306.24x = 165,750,929,584,791 - Step 5: Solve for x
x = 165,750,929,584,791/14,286,306.24 - Step 6: Final answer
x = 11,602,084.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.