Finding the Fourth Proportional to 19,160,618.60, 28,741,336.16 and 6,865,385.09
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Solution
The fourth proportional to 19,160,618.60, 28,741,336.16 and 6,865,385.09 is: 10,298,223.92
Step by Step Solution
- Step 1: Write the proportion equation
19,160,618.60 : 28,741,336.16 = 6,865,385.09 : x - Step 2: Convert to fraction form
19,160,618.60/28,741,336.16 = 6,865,385.09/x - Step 3: Cross multiply
19,160,618.60x = 28,741,336.16 × 6,865,385.09 - Step 4: Simplify right side
19,160,618.60x = 197,320,340,761,796.06 - Step 5: Solve for x
x = 197,320,340,761,796.06/19,160,618.60 - Step 6: Final answer
x = 10,298,223.92
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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.