Finding the Fourth Proportional to 23,729,980.88, 32,748,645.11 and 13,275,373.54
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Solution
The fourth proportional to 23,729,980.88, 32,748,645.11 and 13,275,373.54 is: 18,320,726.80
Step by Step Solution
- Step 1: Write the proportion equation
23,729,980.88 : 32,748,645.11 = 13,275,373.54 : x - Step 2: Convert to fraction form
23,729,980.88/32,748,645.11 = 13,275,373.54/x - Step 3: Cross multiply
23,729,980.88x = 32,748,645.11 × 13,275,373.54 - Step 4: Simplify right side
23,729,980.88x = 434,750,496,764,144.38 - Step 5: Solve for x
x = 434,750,496,764,144.38/23,729,980.88 - Step 6: Final answer
x = 18,320,726.80
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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.