Finding the Fourth Proportional to 19,694,401.60, 29,544,367.20 and 6,229,825.60
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Solution
The fourth proportional to 19,694,401.60, 29,544,367.20 and 6,229,825.60 is: 9,345,612.97
Step by Step Solution
- Step 1: Write the proportion equation
19,694,401.60 : 29,544,367.20 = 6,229,825.60 : x - Step 2: Convert to fraction form
19,694,401.60/29,544,367.20 = 6,229,825.60/x - Step 3: Cross multiply
19,694,401.60x = 29,544,367.20 × 6,229,825.60 - Step 4: Simplify right side
19,694,401.60x = 184,056,255,118,360.31 - Step 5: Solve for x
x = 184,056,255,118,360.31/19,694,401.60 - Step 6: Final answer
x = 9,345,612.97
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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.