Finding the Fourth Proportional to 11,495,310.81, 15,857,592.26 and 7,142,743.41
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Solution
The fourth proportional to 11,495,310.81, 15,857,592.26 and 7,142,743.41 is: 9,853,297.09
Step by Step Solution
- Step 1: Write the proportion equation
11,495,310.81 : 15,857,592.26 = 7,142,743.41 : x - Step 2: Convert to fraction form
11,495,310.81/15,857,592.26 = 7,142,743.41/x - Step 3: Cross multiply
11,495,310.81x = 15,857,592.26 × 7,142,743.41 - Step 4: Simplify right side
11,495,310.81x = 113,266,712,577,868.30 - Step 5: Solve for x
x = 113,266,712,577,868.30/11,495,310.81 - Step 6: Final answer
x = 9,853,297.09
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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.