Finding the Fourth Proportional to 7,639,160.51, 11,458,574.31 and 3,593,405.83
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Solution
The fourth proportional to 7,639,160.51, 11,458,574.31 and 3,593,405.83 is: 5,390,030.45
Step by Step Solution
- Step 1: Write the proportion equation
7,639,160.51 : 11,458,574.31 = 3,593,405.83 : x - Step 2: Convert to fraction form
7,639,160.51/11,458,574.31 = 3,593,405.83/x - Step 3: Cross multiply
7,639,160.51x = 11,458,574.31 × 3,593,405.83 - Step 4: Simplify right side
7,639,160.51x = 41,175,307,729,042.23 - Step 5: Solve for x
x = 41,175,307,729,042.23/7,639,160.51 - Step 6: Final answer
x = 5,390,030.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.