Finding the Fourth Proportional to 11,153,670.40, 16,727,155.20 and 3,964,259.20
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Solution
The fourth proportional to 11,153,670.40, 16,727,155.20 and 3,964,259.20 is: 5,945,197.99
Step by Step Solution
- Step 1: Write the proportion equation
11,153,670.40 : 16,727,155.20 = 3,964,259.20 : x - Step 2: Convert to fraction form
11,153,670.40/16,727,155.20 = 3,964,259.20/x - Step 3: Cross multiply
11,153,670.40x = 16,727,155.20 × 3,964,259.20 - Step 4: Simplify right side
11,153,670.40x = 66,310,778,891,427.84 - Step 5: Solve for x
x = 66,310,778,891,427.84/11,153,670.40 - Step 6: Final answer
x = 5,945,197.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.