Finding the Fourth Proportional to 10,641,578.86, 14,685,378.80 and 5,746,800.68
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Solution
The fourth proportional to 10,641,578.86, 14,685,378.80 and 5,746,800.68 is: 7,930,584.92
Step by Step Solution
- Step 1: Write the proportion equation
10,641,578.86 : 14,685,378.80 = 5,746,800.68 : x - Step 2: Convert to fraction form
10,641,578.86/14,685,378.80 = 5,746,800.68/x - Step 3: Cross multiply
10,641,578.86x = 14,685,378.80 × 5,746,800.68 - Step 4: Simplify right side
10,641,578.86x = 84,393,944,873,897.58 - Step 5: Solve for x
x = 84,393,944,873,897.58/10,641,578.86 - Step 6: Final answer
x = 7,930,584.92
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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.