Finding the Fourth Proportional to 7,868,467.68, 10,858,472.87 and 4,430,733.32
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Solution
The fourth proportional to 7,868,467.68, 10,858,472.87 and 4,430,733.32 is: 6,114,404.92
Step by Step Solution
- Step 1: Write the proportion equation
7,868,467.68 : 10,858,472.87 = 4,430,733.32 : x - Step 2: Convert to fraction form
7,868,467.68/10,858,472.87 = 4,430,733.32/x - Step 3: Cross multiply
7,868,467.68x = 10,858,472.87 × 4,430,733.32 - Step 4: Simplify right side
7,868,467.68x = 48,110,997,472,979 - Step 5: Solve for x
x = 48,110,997,472,979/7,868,467.68 - Step 6: Final answer
x = 6,114,404.92
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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.