Finding the Fourth Proportional to 15,110,816.16, 22,672,901.88 and 7,920,630.84
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Solution
The fourth proportional to 15,110,816.16, 22,672,901.88 and 7,920,630.84 is: 11,884,446.48
Step by Step Solution
- Step 1: Write the proportion equation
15,110,816.16 : 22,672,901.88 = 7,920,630.84 : x - Step 2: Convert to fraction form
15,110,816.16/22,672,901.88 = 7,920,630.84/x - Step 3: Cross multiply
15,110,816.16x = 22,672,901.88 × 7,920,630.84 - Step 4: Simplify right side
15,110,816.16x = 179,583,685,863,021.97 - Step 5: Solve for x
x = 179,583,685,863,021.97/15,110,816.16 - Step 6: Final answer
x = 11,884,446.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.