Finding the Fourth Proportional to 11,495,386.44, 15,863,271.12 and 6,338,965.32
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Solution
The fourth proportional to 11,495,386.44, 15,863,271.12 and 6,338,965.32 is: 8,747,572.43
Step by Step Solution
- Step 1: Write the proportion equation
11,495,386.44 : 15,863,271.12 = 6,338,965.32 : x - Step 2: Convert to fraction form
11,495,386.44/15,863,271.12 = 6,338,965.32/x - Step 3: Cross multiply
11,495,386.44x = 15,863,271.12 × 6,338,965.32 - Step 4: Simplify right side
11,495,386.44x = 100,556,725,491,437.56 - Step 5: Solve for x
x = 100,556,725,491,437.56/11,495,386.44 - Step 6: Final answer
x = 8,747,572.43
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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.