Finding the Fourth Proportional to 17,784,917.84, 24,543,203.00 and 9,636,155.84
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Solution
The fourth proportional to 17,784,917.84, 24,543,203.00 and 9,636,155.84 is: 13,297,903.93
Step by Step Solution
- Step 1: Write the proportion equation
17,784,917.84 : 24,543,203.00 = 9,636,155.84 : x - Step 2: Convert to fraction form
17,784,917.84/24,543,203.00 = 9,636,155.84/x - Step 3: Cross multiply
17,784,917.84x = 24,543,203.00 × 9,636,155.84 - Step 4: Simplify right side
17,784,917.84x = 236,502,128,749,858.75 - Step 5: Solve for x
x = 236,502,128,749,858.75/17,784,917.84 - Step 6: Final answer
x = 13,297,903.93
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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.