Finding the Fourth Proportional to 18,546,215.12, 27,799,688.16 and 6,238,461.68
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Solution
The fourth proportional to 18,546,215.12, 27,799,688.16 and 6,238,461.68 is: 9,351,087.98
Step by Step Solution
- Step 1: Write the proportion equation
18,546,215.12 : 27,799,688.16 = 6,238,461.68 : x - Step 2: Convert to fraction form
18,546,215.12/27,799,688.16 = 6,238,461.68/x - Step 3: Cross multiply
18,546,215.12x = 27,799,688.16 × 6,238,461.68 - Step 4: Simplify right side
18,546,215.12x = 173,427,289,302,109.69 - Step 5: Solve for x
x = 173,427,289,302,109.69/18,546,215.12 - Step 6: Final answer
x = 9,351,087.98
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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.