Finding the Fourth Proportional to 11,701,445.28, 16,148,470.39 and 6,474,368.41
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Solution
The fourth proportional to 11,701,445.28, 16,148,470.39 and 6,474,368.41 is: 8,934,891.72
Step by Step Solution
- Step 1: Write the proportion equation
11,701,445.28 : 16,148,470.39 = 6,474,368.41 : x - Step 2: Convert to fraction form
11,701,445.28/16,148,470.39 = 6,474,368.41/x - Step 3: Cross multiply
11,701,445.28x = 16,148,470.39 × 6,474,368.41 - Step 4: Simplify right side
11,701,445.28x = 104,551,146,506,279.28 - Step 5: Solve for x
x = 104,551,146,506,279.28/11,701,445.28 - Step 6: Final answer
x = 8,934,891.72
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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.