Finding the Fourth Proportional to 7,748,216.38, 11,622,324.51 and 2,824,617.34
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Solution
The fourth proportional to 7,748,216.38, 11,622,324.51 and 2,824,617.34 is: 4,236,925.99
Step by Step Solution
- Step 1: Write the proportion equation
7,748,216.38 : 11,622,324.51 = 2,824,617.34 : x - Step 2: Convert to fraction form
7,748,216.38/11,622,324.51 = 2,824,617.34/x - Step 3: Cross multiply
7,748,216.38x = 11,622,324.51 × 2,824,617.34 - Step 4: Simplify right side
7,748,216.38x = 32,828,619,342,053 - Step 5: Solve for x
x = 32,828,619,342,053/7,748,216.38 - Step 6: Final answer
x = 4,236,925.99
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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.