Finding the Fourth Proportional to 19,729,770.78, 29,602,932.84 and 8,792,425.58
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Solution
The fourth proportional to 19,729,770.78, 29,602,932.84 and 8,792,425.58 is: 13,192,326.80
Step by Step Solution
- Step 1: Write the proportion equation
19,729,770.78 : 29,602,932.84 = 8,792,425.58 : x - Step 2: Convert to fraction form
19,729,770.78/29,602,932.84 = 8,792,425.58/x - Step 3: Cross multiply
19,729,770.78x = 29,602,932.84 × 8,792,425.58 - Step 4: Simplify right side
19,729,770.78x = 260,281,583,797,423.38 - Step 5: Solve for x
x = 260,281,583,797,423.38/19,729,770.78 - Step 6: Final answer
x = 13,192,326.80
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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.