Finding the Fourth Proportional to 28,678,373.28, 39,567,665.04 and 17,066,628
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Solution
The fourth proportional to 28,678,373.28, 39,567,665.04 and 17,066,628 is: 23,546,894.15
Step by Step Solution
- Step 1: Write the proportion equation
28,678,373.28 : 39,567,665.04 = 17,066,628 : x - Step 2: Convert to fraction form
28,678,373.28/39,567,665.04 = 17,066,628/x - Step 3: Cross multiply
28,678,373.28x = 39,567,665.04 × 17,066,628 - Step 4: Simplify right side
28,678,373.28x = 675,286,620,066,285.12 - Step 5: Solve for x
x = 675,286,620,066,285.12/28,678,373.28 - Step 6: Final answer
x = 23,546,894.15
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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.