Finding the Fourth Proportional to 39,403,325.97, 54,376,695.36 and 22,000,293.99
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Solution
The fourth proportional to 39,403,325.97, 54,376,695.36 and 22,000,293.99 is: 30,360,464.62
Step by Step Solution
- Step 1: Write the proportion equation
39,403,325.97 : 54,376,695.36 = 22,000,293.99 : x - Step 2: Convert to fraction form
39,403,325.97/54,376,695.36 = 22,000,293.99/x - Step 3: Cross multiply
39,403,325.97x = 54,376,695.36 × 22,000,293.99 - Step 4: Simplify right side
39,403,325.97x = 1,196,303,284,124,668.75 - Step 5: Solve for x
x = 1,196,303,284,124,668.75/39,403,325.97 - Step 6: Final answer
x = 30,360,464.62
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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.