Finding the Fourth Proportional to 7,153,195.43, 10,729,793.16 and 5,885,897.28
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Solution
The fourth proportional to 7,153,195.43, 10,729,793.16 and 5,885,897.28 is: 8,828,845.94
Step by Step Solution
- Step 1: Write the proportion equation
7,153,195.43 : 10,729,793.16 = 5,885,897.28 : x - Step 2: Convert to fraction form
7,153,195.43/10,729,793.16 = 5,885,897.28/x - Step 3: Cross multiply
7,153,195.43x = 10,729,793.16 × 5,885,897.28 - Step 4: Simplify right side
7,153,195.43x = 63,154,460,375,406.61 - Step 5: Solve for x
x = 63,154,460,375,406.61/7,153,195.43 - Step 6: Final answer
x = 8,828,845.94
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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.