Finding the Fourth Proportional to 8,021,446.74, 11,068,901.91 and 4,713,390.54
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Solution
The fourth proportional to 8,021,446.74, 11,068,901.91 and 4,713,390.54 is: 6,504,070.80
Step by Step Solution
- Step 1: Write the proportion equation
8,021,446.74 : 11,068,901.91 = 4,713,390.54 : x - Step 2: Convert to fraction form
8,021,446.74/11,068,901.91 = 4,713,390.54/x - Step 3: Cross multiply
8,021,446.74x = 11,068,901.91 × 4,713,390.54 - Step 4: Simplify right side
8,021,446.74x = 52,172,057,550,781.93 - Step 5: Solve for x
x = 52,172,057,550,781.93/8,021,446.74 - Step 6: Final answer
x = 6,504,070.80
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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.