Finding the Fourth Proportional to 46,220,352.69, 69,342,042.42 and 13,872,853.65
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Solution
The fourth proportional to 46,220,352.69, 69,342,042.42 and 13,872,853.65 is: 20,812,736.17
Step by Step Solution
- Step 1: Write the proportion equation
46,220,352.69 : 69,342,042.42 = 13,872,853.65 : x - Step 2: Convert to fraction form
46,220,352.69/69,342,042.42 = 13,872,853.65/x - Step 3: Cross multiply
46,220,352.69x = 69,342,042.42 × 13,872,853.65 - Step 4: Simplify right side
46,220,352.69x = 961,972,006,284,751.88 - Step 5: Solve for x
x = 961,972,006,284,751.88/46,220,352.69 - Step 6: Final answer
x = 20,812,736.17
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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.