Finding the Fourth Proportional to 8,487,916, 11,713,325.42 and 4,620,466.10
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Solution
The fourth proportional to 8,487,916, 11,713,325.42 and 4,620,466.10 is: 6,376,243.95
Step by Step Solution
- Step 1: Write the proportion equation
8,487,916 : 11,713,325.42 = 4,620,466.10 : x - Step 2: Convert to fraction form
8,487,916/11,713,325.42 = 4,620,466.10/x - Step 3: Cross multiply
8,487,916x = 11,713,325.42 × 4,620,466.10 - Step 4: Simplify right side
8,487,916x = 54,121,023,021,378.26 - Step 5: Solve for x
x = 54,121,023,021,378.26/8,487,916 - Step 6: Final answer
x = 6,376,243.95
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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.