Finding the Fourth Proportional to 16,491,101.99, 22,758,328.86 and 9,963,470.32
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Solution
The fourth proportional to 16,491,101.99, 22,758,328.86 and 9,963,470.32 is: 13,749,956.45
Step by Step Solution
- Step 1: Write the proportion equation
16,491,101.99 : 22,758,328.86 = 9,963,470.32 : x - Step 2: Convert to fraction form
16,491,101.99/22,758,328.86 = 9,963,470.32/x - Step 3: Cross multiply
16,491,101.99x = 22,758,328.86 × 9,963,470.32 - Step 4: Simplify right side
16,491,101.99x = 226,751,934,163,166.19 - Step 5: Solve for x
x = 226,751,934,163,166.19/16,491,101.99 - Step 6: Final answer
x = 13,749,956.45
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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.