Finding the Fourth Proportional to 30,210,631.68, 41,691,149.76 and 16,459,591.68
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Solution
The fourth proportional to 30,210,631.68, 41,691,149.76 and 16,459,591.68 is: 22,714,496.97
Step by Step Solution
- Step 1: Write the proportion equation
30,210,631.68 : 41,691,149.76 = 16,459,591.68 : x - Step 2: Convert to fraction form
30,210,631.68/41,691,149.76 = 16,459,591.68/x - Step 3: Cross multiply
30,210,631.68x = 41,691,149.76 × 16,459,591.68 - Step 4: Simplify right side
30,210,631.68x = 686,219,301,719,330 - Step 5: Solve for x
x = 686,219,301,719,330/30,210,631.68 - Step 6: Final answer
x = 22,714,496.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.