Finding the Fourth Proportional to 47,726,309.68, 65,860,453.56 and 29,172,515.29
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Solution
The fourth proportional to 47,726,309.68, 65,860,453.56 and 29,172,515.29 is: 40,256,937.97
Step by Step Solution
- Step 1: Write the proportion equation
47,726,309.68 : 65,860,453.56 = 29,172,515.29 : x - Step 2: Convert to fraction form
47,726,309.68/65,860,453.56 = 29,172,515.29/x - Step 3: Cross multiply
47,726,309.68x = 65,860,453.56 × 29,172,515.29 - Step 4: Simplify right side
47,726,309.68x = 1,921,315,088,485,435 - Step 5: Solve for x
x = 1,921,315,088,485,435/47,726,309.68 - Step 6: Final answer
x = 40,256,937.97
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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.