Finding the Fourth Proportional to 29,089,403.87, 40,143,686.66 and 16,037,129.84
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Solution
The fourth proportional to 29,089,403.87, 40,143,686.66 and 16,037,129.84 is: 22,131,409.71
Step by Step Solution
- Step 1: Write the proportion equation
29,089,403.87 : 40,143,686.66 = 16,037,129.84 : x - Step 2: Convert to fraction form
29,089,403.87/40,143,686.66 = 16,037,129.84/x - Step 3: Cross multiply
29,089,403.87x = 40,143,686.66 × 16,037,129.84 - Step 4: Simplify right side
29,089,403.87x = 643,789,515,363,148 - Step 5: Solve for x
x = 643,789,515,363,148/29,089,403.87 - Step 6: Final answer
x = 22,131,409.71
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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.