Finding the Fourth Proportional to 29,073,829.64, 40,122,153.97 and 16,021,555.65
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Solution
The fourth proportional to 29,073,829.64, 40,122,153.97 and 16,021,555.65 is: 22,109,895.07
Step by Step Solution
- Step 1: Write the proportion equation
29,073,829.64 : 40,122,153.97 = 16,021,555.65 : x - Step 2: Convert to fraction form
29,073,829.64/40,122,153.97 = 16,021,555.65/x - Step 3: Cross multiply
29,073,829.64x = 40,122,153.97 × 16,021,555.65 - Step 4: Simplify right side
29,073,829.64x = 642,819,322,588,169.62 - Step 5: Solve for x
x = 642,819,322,588,169.62/29,073,829.64 - Step 6: Final answer
x = 22,109,895.07
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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.