Finding the Fourth Proportional to 14,375,229.92, 19,830,655.68 and 8,569,921.04
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Solution
The fourth proportional to 14,375,229.92, 19,830,655.68 and 8,569,921.04 is: 11,822,221.58
Step by Step Solution
- Step 1: Write the proportion equation
14,375,229.92 : 19,830,655.68 = 8,569,921.04 : x - Step 2: Convert to fraction form
14,375,229.92/19,830,655.68 = 8,569,921.04/x - Step 3: Cross multiply
14,375,229.92x = 19,830,655.68 × 8,569,921.04 - Step 4: Simplify right side
14,375,229.92x = 169,947,153,349,027.50 - Step 5: Solve for x
x = 169,947,153,349,027.50/14,375,229.92 - Step 6: Final answer
x = 11,822,221.58
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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.