Finding the Fourth Proportional to 10,641,579.36, 14,685,379.49 and 5,746,801.18
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Solution
The fourth proportional to 10,641,579.36, 14,685,379.49 and 5,746,801.18 is: 7,930,585.61
Step by Step Solution
- Step 1: Write the proportion equation
10,641,579.36 : 14,685,379.49 = 5,746,801.18 : x - Step 2: Convert to fraction form
10,641,579.36/14,685,379.49 = 5,746,801.18/x - Step 3: Cross multiply
10,641,579.36x = 14,685,379.49 × 5,746,801.18 - Step 4: Simplify right side
10,641,579.36x = 84,393,956,181,879.80 - Step 5: Solve for x
x = 84,393,956,181,879.80/10,641,579.36 - Step 6: Final answer
x = 7,930,585.61
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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.