Finding the Fourth Proportional to 22,102,479.32, 33,159,027.85 and 8,455,402.49
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Solution
The fourth proportional to 22,102,479.32, 33,159,027.85 and 8,455,402.49 is: 12,685,134.66
Step by Step Solution
- Step 1: Write the proportion equation
22,102,479.32 : 33,159,027.85 = 8,455,402.49 : x - Step 2: Convert to fraction form
22,102,479.32/33,159,027.85 = 8,455,402.49/x - Step 3: Cross multiply
22,102,479.32x = 33,159,027.85 × 8,455,402.49 - Step 4: Simplify right side
22,102,479.32x = 280,372,926,461,935.69 - Step 5: Solve for x
x = 280,372,926,461,935.69/22,102,479.32 - Step 6: Final answer
x = 12,685,134.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.