Finding the Fourth Proportional to 8,221,733.18, 11,346,013.95 and 4,550,902.46
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Solution
The fourth proportional to 8,221,733.18, 11,346,013.95 and 4,550,902.46 is: 6,280,257.66
Step by Step Solution
- Step 1: Write the proportion equation
8,221,733.18 : 11,346,013.95 = 4,550,902.46 : x - Step 2: Convert to fraction form
8,221,733.18/11,346,013.95 = 4,550,902.46/x - Step 3: Cross multiply
8,221,733.18x = 11,346,013.95 × 4,550,902.46 - Step 4: Simplify right side
8,221,733.18x = 51,634,602,796,249.31 - Step 5: Solve for x
x = 51,634,602,796,249.31/8,221,733.18 - Step 6: Final answer
x = 6,280,257.66
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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.