Finding the Fourth Proportional to 12,295,711.05, 16,968,163.28 and 6,713,996.31
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Solution
The fourth proportional to 12,295,711.05, 16,968,163.28 and 6,713,996.31 is: 9,265,359.70
Step by Step Solution
- Step 1: Write the proportion equation
12,295,711.05 : 16,968,163.28 = 6,713,996.31 : x - Step 2: Convert to fraction form
12,295,711.05/16,968,163.28 = 6,713,996.31/x - Step 3: Cross multiply
12,295,711.05x = 16,968,163.28 × 6,713,996.31 - Step 4: Simplify right side
12,295,711.05x = 113,924,185,615,827.50 - Step 5: Solve for x
x = 113,924,185,615,827.50/12,295,711.05 - Step 6: Final answer
x = 9,265,359.70
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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.