Finding the Fourth Proportional to 9,908,138.40, 14,862,207.60 and 2,719,661.10
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Solution
The fourth proportional to 9,908,138.40, 14,862,207.60 and 2,719,661.10 is: 4,079,491.65
Step by Step Solution
- Step 1: Write the proportion equation
9,908,138.40 : 14,862,207.60 = 2,719,661.10 : x - Step 2: Convert to fraction form
9,908,138.40/14,862,207.60 = 2,719,661.10/x - Step 3: Cross multiply
9,908,138.40x = 14,862,207.60 × 2,719,661.10 - Step 4: Simplify right side
9,908,138.40x = 40,420,167,869,844.36 - Step 5: Solve for x
x = 40,420,167,869,844.36/9,908,138.40 - Step 6: Final answer
x = 4,079,491.65
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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.