Finding the Fourth Proportional to 11,874,729, 16,387,157.70 and 6,442,221
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Solution
The fourth proportional to 11,874,729, 16,387,157.70 and 6,442,221 is: 8,890,282.17
Step by Step Solution
- Step 1: Write the proportion equation
11,874,729 : 16,387,157.70 = 6,442,221 : x - Step 2: Convert to fraction form
11,874,729/16,387,157.70 = 6,442,221/x - Step 3: Cross multiply
11,874,729x = 16,387,157.70 × 6,442,221 - Step 4: Simplify right side
11,874,729x = 105,569,691,465,251.69 - Step 5: Solve for x
x = 105,569,691,465,251.69/11,874,729 - Step 6: Final answer
x = 8,890,282.17
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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.