Finding the Fourth Proportional to 16,125,497.86, 22,252,400.82 and 9,155,261.62
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Solution
The fourth proportional to 16,125,497.86, 22,252,400.82 and 9,155,261.62 is: 12,633,814.65
Step by Step Solution
- Step 1: Write the proportion equation
16,125,497.86 : 22,252,400.82 = 9,155,261.62 : x - Step 2: Convert to fraction form
16,125,497.86/22,252,400.82 = 9,155,261.62/x - Step 3: Cross multiply
16,125,497.86x = 22,252,400.82 × 9,155,261.62 - Step 4: Simplify right side
16,125,497.86x = 203,726,551,180,202.50 - Step 5: Solve for x
x = 203,726,551,180,202.50/16,125,497.86 - Step 6: Final answer
x = 12,633,814.65
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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.