Finding the Fourth Proportional to 7,137,804.36, 9,850,182.50 and 3,874,621.29
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Solution
The fourth proportional to 7,137,804.36, 9,850,182.50 and 3,874,621.29 is: 5,346,984.15
Step by Step Solution
- Step 1: Write the proportion equation
7,137,804.36 : 9,850,182.50 = 3,874,621.29 : x - Step 2: Convert to fraction form
7,137,804.36/9,850,182.50 = 3,874,621.29/x - Step 3: Cross multiply
7,137,804.36x = 9,850,182.50 × 3,874,621.29 - Step 4: Simplify right side
7,137,804.36x = 38,165,726,805,512.31 - Step 5: Solve for x
x = 38,165,726,805,512.31/7,137,804.36 - Step 6: Final answer
x = 5,346,984.15
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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.