Finding the Fourth Proportional to 10,680,391.80, 16,020,587.70 and 2,593,312.97
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Solution
The fourth proportional to 10,680,391.80, 16,020,587.70 and 2,593,312.97 is: 3,889,969.45
Step by Step Solution
- Step 1: Write the proportion equation
10,680,391.80 : 16,020,587.70 = 2,593,312.97 : x - Step 2: Convert to fraction form
10,680,391.80/16,020,587.70 = 2,593,312.97/x - Step 3: Cross multiply
10,680,391.80x = 16,020,587.70 × 2,593,312.97 - Step 4: Simplify right side
10,680,391.80x = 41,546,397,789,329.52 - Step 5: Solve for x
x = 41,546,397,789,329.52/10,680,391.80 - Step 6: Final answer
x = 3,889,969.45
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1.5x scale
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.