Finding the Fourth Proportional to 11,413,475.31, 15,750,538.14 and 6,186,462.42
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Solution
The fourth proportional to 11,413,475.31, 15,750,538.14 and 6,186,462.42 is: 8,537,286.82
Step by Step Solution
- Step 1: Write the proportion equation
11,413,475.31 : 15,750,538.14 = 6,186,462.42 : x - Step 2: Convert to fraction form
11,413,475.31/15,750,538.14 = 6,186,462.42/x - Step 3: Cross multiply
11,413,475.31x = 15,750,538.14 × 6,186,462.42 - Step 4: Simplify right side
11,413,475.31x = 97,440,112,297,886.70 - Step 5: Solve for x
x = 97,440,112,297,886.70/11,413,475.31 - Step 6: Final answer
x = 8,537,286.82
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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.