Finding the Fourth Proportional to 10,772,666.28, 14,867,007.94 and 6,190,814.12
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Solution
The fourth proportional to 10,772,666.28, 14,867,007.94 and 6,190,814.12 is: 8,543,742.12
Step by Step Solution
- Step 1: Write the proportion equation
10,772,666.28 : 14,867,007.94 = 6,190,814.12 : x - Step 2: Convert to fraction form
10,772,666.28/14,867,007.94 = 6,190,814.12/x - Step 3: Cross multiply
10,772,666.28x = 14,867,007.94 × 6,190,814.12 - Step 4: Simplify right side
10,772,666.28x = 92,038,882,677,104.11 - Step 5: Solve for x
x = 92,038,882,677,104.11/10,772,666.28 - Step 6: Final answer
x = 8,543,742.12
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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.