Finding the Fourth Proportional to 53,302,145.63, 79,954,847.25 and 18,286,768.77
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Solution
The fourth proportional to 53,302,145.63, 79,954,847.25 and 18,286,768.77 is: 27,430,711.96
Step by Step Solution
- Step 1: Write the proportion equation
53,302,145.63 : 79,954,847.25 = 18,286,768.77 : x - Step 2: Convert to fraction form
53,302,145.63/79,954,847.25 = 18,286,768.77/x - Step 3: Cross multiply
53,302,145.63x = 79,954,847.25 × 18,286,768.77 - Step 4: Simplify right side
53,302,145.63x = 1,462,115,803,701,420.25 - Step 5: Solve for x
x = 1,462,115,803,701,420.25/53,302,145.63 - Step 6: Final answer
x = 27,430,711.96
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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.