Finding the Fourth Proportional to 15,962,217.53, 22,027,859.81 and 8,620,050.08
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Solution
The fourth proportional to 15,962,217.53, 22,027,859.81 and 8,620,050.08 is: 11,895,668.89
Step by Step Solution
- Step 1: Write the proportion equation
15,962,217.53 : 22,027,859.81 = 8,620,050.08 : x - Step 2: Convert to fraction form
15,962,217.53/22,027,859.81 = 8,620,050.08/x - Step 3: Cross multiply
15,962,217.53x = 22,027,859.81 × 8,620,050.08 - Step 4: Simplify right side
15,962,217.53x = 189,881,254,564,179.72 - Step 5: Solve for x
x = 189,881,254,564,179.72/15,962,217.53 - Step 6: Final answer
x = 11,895,668.89
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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.