Finding the Fourth Proportional to 7,881,602.40, 11,821,528.80 and 6,459,177.60
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Solution
The fourth proportional to 7,881,602.40, 11,821,528.80 and 6,459,177.60 is: 9,688,049.48
Step by Step Solution
- Step 1: Write the proportion equation
7,881,602.40 : 11,821,528.80 = 6,459,177.60 : x - Step 2: Convert to fraction form
7,881,602.40/11,821,528.80 = 6,459,177.60/x - Step 3: Cross multiply
7,881,602.40x = 11,821,528.80 × 6,459,177.60 - Step 4: Simplify right side
7,881,602.40x = 76,357,354,022,714.88 - Step 5: Solve for x
x = 76,357,354,022,714.88/7,881,602.40 - Step 6: Final answer
x = 9,688,049.48
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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.