Finding the Fourth Proportional to 7,714,405.28, 11,569,837.12 and 4,599,338.02
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Solution
The fourth proportional to 7,714,405.28, 11,569,837.12 and 4,599,338.02 is: 6,897,951.28
Step by Step Solution
- Step 1: Write the proportion equation
7,714,405.28 : 11,569,837.12 = 4,599,338.02 : x - Step 2: Convert to fraction form
7,714,405.28/11,569,837.12 = 4,599,338.02/x - Step 3: Cross multiply
7,714,405.28x = 11,569,837.12 × 4,599,338.02 - Step 4: Simplify right side
7,714,405.28x = 53,213,591,751,223.30 - Step 5: Solve for x
x = 53,213,591,751,223.30/7,714,405.28 - Step 6: Final answer
x = 6,897,951.28
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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.