Finding the Fourth Proportional to 19,524,621.66, 26,934,865.11 and 12,285,269.34
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Solution
The fourth proportional to 19,524,621.66, 26,934,865.11 and 12,285,269.34 is: 16,947,937.75
Step by Step Solution
- Step 1: Write the proportion equation
19,524,621.66 : 26,934,865.11 = 12,285,269.34 : x - Step 2: Convert to fraction form
19,524,621.66/26,934,865.11 = 12,285,269.34/x - Step 3: Cross multiply
19,524,621.66x = 26,934,865.11 × 12,285,269.34 - Step 4: Simplify right side
19,524,621.66x = 330,902,072,512,918.69 - Step 5: Solve for x
x = 330,902,072,512,918.69/19,524,621.66 - Step 6: Final answer
x = 16,947,937.75
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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.