Finding the Fourth Proportional to 11,255,951.58, 15,531,495.16 and 6,359,387.06
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Solution
The fourth proportional to 11,255,951.58, 15,531,495.16 and 6,359,387.06 is: 8,774,983.50
Step by Step Solution
- Step 1: Write the proportion equation
11,255,951.58 : 15,531,495.16 = 6,359,387.06 : x - Step 2: Convert to fraction form
11,255,951.58/15,531,495.16 = 6,359,387.06/x - Step 3: Cross multiply
11,255,951.58x = 15,531,495.16 × 6,359,387.06 - Step 4: Simplify right side
11,255,951.58x = 98,770,789,342,956.62 - Step 5: Solve for x
x = 98,770,789,342,956.62/11,255,951.58 - Step 6: Final answer
x = 8,774,983.50
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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.