Finding the Fourth Proportional to 14,137,068.09, 19,509,418.36 and 7,858,184.71
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Solution
The fourth proportional to 14,137,068.09, 19,509,418.36 and 7,858,184.71 is: 10,844,441.87
Step by Step Solution
- Step 1: Write the proportion equation
14,137,068.09 : 19,509,418.36 = 7,858,184.71 : x - Step 2: Convert to fraction form
14,137,068.09/19,509,418.36 = 7,858,184.71/x - Step 3: Cross multiply
14,137,068.09x = 19,509,418.36 × 7,858,184.71 - Step 4: Simplify right side
14,137,068.09x = 153,308,613,057,545.28 - Step 5: Solve for x
x = 153,308,613,057,545.28/14,137,068.09 - Step 6: Final answer
x = 10,844,441.87
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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.