Finding the Fourth Proportional to 14,659,771.16, 20,232,278.88 and 8,464,802.06
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Solution
The fourth proportional to 14,659,771.16, 20,232,278.88 and 8,464,802.06 is: 11,682,463.12
Step by Step Solution
- Step 1: Write the proportion equation
14,659,771.16 : 20,232,278.88 = 8,464,802.06 : x - Step 2: Convert to fraction form
14,659,771.16/20,232,278.88 = 8,464,802.06/x - Step 3: Cross multiply
14,659,771.16x = 20,232,278.88 × 8,464,802.06 - Step 4: Simplify right side
14,659,771.16x = 171,262,235,941,918.50 - Step 5: Solve for x
x = 171,262,235,941,918.50/14,659,771.16 - Step 6: Final answer
x = 11,682,463.12
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1.5x scale
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.