Finding the Fourth Proportional to 14,659,549.86, 21,995,423.62 and 6,457,994.58
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Solution
The fourth proportional to 14,659,549.86, 21,995,423.62 and 6,457,994.58 is: 9,689,678.60
Step by Step Solution
- Step 1: Write the proportion equation
14,659,549.86 : 21,995,423.62 = 6,457,994.58 : x - Step 2: Convert to fraction form
14,659,549.86/21,995,423.62 = 6,457,994.58/x - Step 3: Cross multiply
14,659,549.86x = 21,995,423.62 × 6,457,994.58 - Step 4: Simplify right side
14,659,549.86x = 142,046,326,522,764 - Step 5: Solve for x
x = 142,046,326,522,764/14,659,549.86 - Step 6: Final answer
x = 9,689,678.60
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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.