Finding the Fourth Proportional to 7,873,818.36, 11,815,377.63 and 3,324,572.67
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Solution
The fourth proportional to 7,873,818.36, 11,815,377.63 and 3,324,572.67 is: 4,988,822.42
Step by Step Solution
- Step 1: Write the proportion equation
7,873,818.36 : 11,815,377.63 = 3,324,572.67 : x - Step 2: Convert to fraction form
7,873,818.36/11,815,377.63 = 3,324,572.67/x - Step 3: Cross multiply
7,873,818.36x = 11,815,377.63 × 3,324,572.67 - Step 4: Simplify right side
7,873,818.36x = 39,281,081,554,427.38 - Step 5: Solve for x
x = 39,281,081,554,427.38/7,873,818.36 - Step 6: Final answer
x = 4,988,822.42
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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.