Finding the Fourth Proportional to 11,008,145.60, 16,498,221.60 and 5,316,113.60
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Solution
The fourth proportional to 11,008,145.60, 16,498,221.60 and 5,316,113.60 is: 7,967,410.99
Step by Step Solution
- Step 1: Write the proportion equation
11,008,145.60 : 16,498,221.60 = 5,316,113.60 : x - Step 2: Convert to fraction form
11,008,145.60/16,498,221.60 = 5,316,113.60/x - Step 3: Cross multiply
11,008,145.60x = 16,498,221.60 × 5,316,113.60 - Step 4: Simplify right side
11,008,145.60x = 87,706,420,223,573.75 - Step 5: Solve for x
x = 87,706,420,223,573.75/11,008,145.60 - Step 6: Final answer
x = 7,967,410.99
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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.