Finding the Fourth Proportional to 7,924,208.32, 11,888,017.68 and 2,459,195.20
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Solution
The fourth proportional to 7,924,208.32, 11,888,017.68 and 2,459,195.20 is: 3,689,321.99
Step by Step Solution
- Step 1: Write the proportion equation
7,924,208.32 : 11,888,017.68 = 2,459,195.20 : x - Step 2: Convert to fraction form
7,924,208.32/11,888,017.68 = 2,459,195.20/x - Step 3: Cross multiply
7,924,208.32x = 11,888,017.68 × 2,459,195.20 - Step 4: Simplify right side
7,924,208.32x = 29,234,956,016,171.14 - Step 5: Solve for x
x = 29,234,956,016,171.14/7,924,208.32 - Step 6: Final answer
x = 3,689,321.99
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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.