Finding the Fourth Proportional to 23,305,693.84, 32,162,633.93 and 12,709,661.84
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Solution
The fourth proportional to 23,305,693.84, 32,162,633.93 and 12,709,661.84 is: 17,539,756.75
Step by Step Solution
- Step 1: Write the proportion equation
23,305,693.84 : 32,162,633.93 = 12,709,661.84 : x - Step 2: Convert to fraction form
23,305,693.84/32,162,633.93 = 12,709,661.84/x - Step 3: Cross multiply
23,305,693.84x = 32,162,633.93 × 12,709,661.84 - Step 4: Simplify right side
23,305,693.84x = 408,776,200,909,648.81 - Step 5: Solve for x
x = 408,776,200,909,648.81/23,305,693.84 - Step 6: Final answer
x = 17,539,756.75
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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.