Finding the Fourth Proportional to 7,006,508.42, 10,508,858.66 and 2,214,682.07
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Solution
The fourth proportional to 7,006,508.42, 10,508,858.66 and 2,214,682.07 is: 3,321,737.37
Step by Step Solution
- Step 1: Write the proportion equation
7,006,508.42 : 10,508,858.66 = 2,214,682.07 : x - Step 2: Convert to fraction form
7,006,508.42/10,508,858.66 = 2,214,682.07/x - Step 3: Cross multiply
7,006,508.42x = 10,508,858.66 × 2,214,682.07 - Step 4: Simplify right side
7,006,508.42x = 23,273,780,803,458.64 - Step 5: Solve for x
x = 23,273,780,803,458.64/7,006,508.42 - Step 6: Final answer
x = 3,321,737.37
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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.