Finding the Fourth Proportional to 47,480,343.48, 71,183,309.49 and 18,747,985.77
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Solution
The fourth proportional to 47,480,343.48, 71,183,309.49 and 18,747,985.77 is: 28,107,287.68
Step by Step Solution
- Step 1: Write the proportion equation
47,480,343.48 : 71,183,309.49 = 18,747,985.77 : x - Step 2: Convert to fraction form
47,480,343.48/71,183,309.49 = 18,747,985.77/x - Step 3: Cross multiply
47,480,343.48x = 71,183,309.49 × 18,747,985.77 - Step 4: Simplify right side
47,480,343.48x = 1,334,543,673,380,025.75 - Step 5: Solve for x
x = 1,334,543,673,380,025.75/47,480,343.48 - Step 6: Final answer
x = 28,107,287.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.