Finding the Fourth Proportional to 11,683,246.12, 16,122,837.90 and 6,456,108.76
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Solution
The fourth proportional to 11,683,246.12, 16,122,837.90 and 6,456,108.76 is: 8,909,407.02
Step by Step Solution
- Step 1: Write the proportion equation
11,683,246.12 : 16,122,837.90 = 6,456,108.76 : x - Step 2: Convert to fraction form
11,683,246.12/16,122,837.90 = 6,456,108.76/x - Step 3: Cross multiply
11,683,246.12x = 16,122,837.90 × 6,456,108.76 - Step 4: Simplify right side
11,683,246.12x = 104,090,795,002,250 - Step 5: Solve for x
x = 104,090,795,002,250/11,683,246.12 - Step 6: Final answer
x = 8,909,407.02
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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.