Finding the Fourth Proportional to 7,446,889.36, 10,276,748.52 and 4,183,841.68
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Solution
The fourth proportional to 7,446,889.36, 10,276,748.52 and 4,183,841.68 is: 5,773,724.67
Step by Step Solution
- Step 1: Write the proportion equation
7,446,889.36 : 10,276,748.52 = 4,183,841.68 : x - Step 2: Convert to fraction form
7,446,889.36/10,276,748.52 = 4,183,841.68/x - Step 3: Cross multiply
7,446,889.36x = 10,276,748.52 × 4,183,841.68 - Step 4: Simplify right side
7,446,889.36x = 42,996,288,792,854.31 - Step 5: Solve for x
x = 42,996,288,792,854.31/7,446,889.36 - Step 6: Final answer
x = 5,773,724.67
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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.