Finding the Fourth Proportional to 13,452,207.23, 18,563,511.76 and 7,947,355.10
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Solution
The fourth proportional to 13,452,207.23, 18,563,511.76 and 7,947,355.10 is: 10,967,034.42
Step by Step Solution
- Step 1: Write the proportion equation
13,452,207.23 : 18,563,511.76 = 7,947,355.10 : x - Step 2: Convert to fraction form
13,452,207.23/18,563,511.76 = 7,947,355.10/x - Step 3: Cross multiply
13,452,207.23x = 18,563,511.76 × 7,947,355.10 - Step 4: Simplify right side
13,452,207.23x = 147,530,819,747,060.03 - Step 5: Solve for x
x = 147,530,819,747,060.03/13,452,207.23 - Step 6: Final answer
x = 10,967,034.42
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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.