Finding the Fourth Proportional to 8,779,305.26, 12,114,620.43 and 5,246,400.81
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Solution
The fourth proportional to 8,779,305.26, 12,114,620.43 and 5,246,400.81 is: 7,239,542.61
Step by Step Solution
- Step 1: Write the proportion equation
8,779,305.26 : 12,114,620.43 = 5,246,400.81 : x - Step 2: Convert to fraction form
8,779,305.26/12,114,620.43 = 5,246,400.81/x - Step 3: Cross multiply
8,779,305.26x = 12,114,620.43 × 5,246,400.81 - Step 4: Simplify right side
8,779,305.26x = 63,558,154,436,794.54 - Step 5: Solve for x
x = 63,558,154,436,794.54/8,779,305.26 - Step 6: Final answer
x = 7,239,542.61
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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.