Finding the Fourth Proportional to 10,909,037.25, 16,365,917.96 and 4,177,451.49
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Solution
The fourth proportional to 10,909,037.25, 16,365,917.96 and 4,177,451.49 is: 6,267,081.76
Step by Step Solution
- Step 1: Write the proportion equation
10,909,037.25 : 16,365,917.96 = 4,177,451.49 : x - Step 2: Convert to fraction form
10,909,037.25/16,365,917.96 = 4,177,451.49/x - Step 3: Cross multiply
10,909,037.25x = 16,365,917.96 × 4,177,451.49 - Step 4: Simplify right side
10,909,037.25x = 68,367,828,346,332.51 - Step 5: Solve for x
x = 68,367,828,346,332.51/10,909,037.25 - Step 6: Final answer
x = 6,267,081.76
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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.