Finding the Fourth Proportional to 14,080,517.28, 19,439,889.84 and 9,677,823.84
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Solution
The fourth proportional to 14,080,517.28, 19,439,889.84 and 9,677,823.84 is: 13,361,428.82
Step by Step Solution
- Step 1: Write the proportion equation
14,080,517.28 : 19,439,889.84 = 9,677,823.84 : x - Step 2: Convert to fraction form
14,080,517.28/19,439,889.84 = 9,677,823.84/x - Step 3: Cross multiply
14,080,517.28x = 19,439,889.84 × 9,677,823.84 - Step 4: Simplify right side
14,080,517.28x = 188,135,829,340,525.78 - Step 5: Solve for x
x = 188,135,829,340,525.78/14,080,517.28 - Step 6: Final answer
x = 13,361,428.82
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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.