Finding the Fourth Proportional to 11,277,938.70, 15,563,585.34 and 6,121,300.23
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Solution
The fourth proportional to 11,277,938.70, 15,563,585.34 and 6,121,300.23 is: 8,447,410.56
Step by Step Solution
- Step 1: Write the proportion equation
11,277,938.70 : 15,563,585.34 = 6,121,300.23 : x - Step 2: Convert to fraction form
11,277,938.70/15,563,585.34 = 6,121,300.23/x - Step 3: Cross multiply
11,277,938.70x = 15,563,585.34 × 6,121,300.23 - Step 4: Simplify right side
11,277,938.70x = 95,269,378,521,366.64 - Step 5: Solve for x
x = 95,269,378,521,366.64/11,277,938.70 - Step 6: Final answer
x = 8,447,410.56
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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.