Finding the Fourth Proportional to 14,659,772.16, 20,232,280.26 and 8,464,803.06
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Solution
The fourth proportional to 14,659,772.16, 20,232,280.26 and 8,464,803.06 is: 11,682,464.50
Step by Step Solution
- Step 1: Write the proportion equation
14,659,772.16 : 20,232,280.26 = 8,464,803.06 : x - Step 2: Convert to fraction form
14,659,772.16/20,232,280.26 = 8,464,803.06/x - Step 3: Cross multiply
14,659,772.16x = 20,232,280.26 × 8,464,803.06 - Step 4: Simplify right side
14,659,772.16x = 171,262,267,855,625.62 - Step 5: Solve for x
x = 171,262,267,855,625.62/14,659,772.16 - Step 6: Final answer
x = 11,682,464.50
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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.