Finding the Fourth Proportional to 10,641,478.36, 14,685,239.87 and 5,746,700.05
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Solution
The fourth proportional to 10,641,478.36, 14,685,239.87 and 5,746,700.05 is: 7,930,445.93
Step by Step Solution
- Step 1: Write the proportion equation
10,641,478.36 : 14,685,239.87 = 5,746,700.05 : x - Step 2: Convert to fraction form
10,641,478.36/14,685,239.87 = 5,746,700.05/x - Step 3: Cross multiply
10,641,478.36x = 14,685,239.87 × 5,746,700.05 - Step 4: Simplify right side
10,641,478.36x = 84,391,668,695,190.98 - Step 5: Solve for x
x = 84,391,668,695,190.98/10,641,478.36 - Step 6: Final answer
x = 7,930,445.93
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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.