Finding the Fourth Proportional to 16,803,991.68, 23,180,171.04 and 11,012,115.84
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Solution
The fourth proportional to 16,803,991.68, 23,180,171.04 and 11,012,115.84 is: 15,190,600.75
Step by Step Solution
- Step 1: Write the proportion equation
16,803,991.68 : 23,180,171.04 = 11,012,115.84 : x - Step 2: Convert to fraction form
16,803,991.68/23,180,171.04 = 11,012,115.84/x - Step 3: Cross multiply
16,803,991.68x = 23,180,171.04 × 11,012,115.84 - Step 4: Simplify right side
16,803,991.68x = 255,262,728,683,493.25 - Step 5: Solve for x
x = 255,262,728,683,493.25/16,803,991.68 - Step 6: Final answer
x = 15,190,600.75
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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.