Finding the Fourth Proportional to 9,908,165.20, 14,862,247.80 and 4,239,461.20
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Solution
The fourth proportional to 9,908,165.20, 14,862,247.80 and 4,239,461.20 is: 6,359,191.80
Step by Step Solution
- Step 1: Write the proportion equation
9,908,165.20 : 14,862,247.80 = 4,239,461.20 : x - Step 2: Convert to fraction form
9,908,165.20/14,862,247.80 = 4,239,461.20/x - Step 3: Cross multiply
9,908,165.20x = 14,862,247.80 × 4,239,461.20 - Step 4: Simplify right side
9,908,165.20x = 63,007,922,892,885.37 - Step 5: Solve for x
x = 63,007,922,892,885.37/9,908,165.20 - Step 6: Final answer
x = 6,359,191.80
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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.