Finding the Fourth Proportional to 16,172,350.32, 22,317,673.98 and 8,830,160.76
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Solution
The fourth proportional to 16,172,350.32, 22,317,673.98 and 8,830,160.76 is: 12,185,529.32
Step by Step Solution
- Step 1: Write the proportion equation
16,172,350.32 : 22,317,673.98 = 8,830,160.76 : x - Step 2: Convert to fraction form
16,172,350.32/22,317,673.98 = 8,830,160.76/x - Step 3: Cross multiply
16,172,350.32x = 22,317,673.98 × 8,830,160.76 - Step 4: Simplify right side
16,172,350.32x = 197,068,649,032,669.03 - Step 5: Solve for x
x = 197,068,649,032,669.03/16,172,350.32 - Step 6: Final answer
x = 12,185,529.32
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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.