Finding the Fourth Proportional to 11,133,761.20, 16,706,171.40 and 4,402,394.80
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Solution
The fourth proportional to 11,133,761.20, 16,706,171.40 and 4,402,394.80 is: 6,605,778.66
Step by Step Solution
- Step 1: Write the proportion equation
11,133,761.20 : 16,706,171.40 = 4,402,394.80 : x - Step 2: Convert to fraction form
11,133,761.20/16,706,171.40 = 4,402,394.80/x - Step 3: Cross multiply
11,133,761.20x = 16,706,171.40 × 4,402,394.80 - Step 4: Simplify right side
11,133,761.20x = 73,547,162,099,268.72 - Step 5: Solve for x
x = 73,547,162,099,268.72/11,133,761.20 - Step 6: Final answer
x = 6,605,778.66
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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.