Finding the Fourth Proportional to 27,107,161.16, 40,648,805.58 and 12,734,313.80
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Solution
The fourth proportional to 27,107,161.16, 40,648,805.58 and 12,734,313.80 is: 19,095,863.37
Step by Step Solution
- Step 1: Write the proportion equation
27,107,161.16 : 40,648,805.58 = 12,734,313.80 : x - Step 2: Convert to fraction form
27,107,161.16/40,648,805.58 = 12,734,313.80/x - Step 3: Cross multiply
27,107,161.16x = 40,648,805.58 × 12,734,313.80 - Step 4: Simplify right side
27,107,161.16x = 517,634,645,850,911 - Step 5: Solve for x
x = 517,634,645,850,911/27,107,161.16 - Step 6: Final answer
x = 19,095,863.37
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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.