Finding the Fourth Proportional to 8,537,731.48, 11,781,914.70 and 4,670,218.81
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Solution
The fourth proportional to 8,537,731.48, 11,781,914.70 and 4,670,218.81 is: 6,444,817.31
Step by Step Solution
- Step 1: Write the proportion equation
8,537,731.48 : 11,781,914.70 = 4,670,218.81 : x - Step 2: Convert to fraction form
8,537,731.48/11,781,914.70 = 4,670,218.81/x - Step 3: Cross multiply
8,537,731.48x = 11,781,914.70 × 4,670,218.81 - Step 4: Simplify right side
8,537,731.48x = 55,024,119,649,755.50 - Step 5: Solve for x
x = 55,024,119,649,755.50/8,537,731.48 - Step 6: Final answer
x = 6,444,817.31
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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.