Finding the Fourth Proportional to 18,302,881.10, 27,454,201.98 and 4,655,911.19
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Solution
The fourth proportional to 18,302,881.10, 27,454,201.98 and 4,655,911.19 is: 6,983,836.35
Step by Step Solution
- Step 1: Write the proportion equation
18,302,881.10 : 27,454,201.98 = 4,655,911.19 : x - Step 2: Convert to fraction form
18,302,881.10/27,454,201.98 = 4,655,911.19/x - Step 3: Cross multiply
18,302,881.10x = 27,454,201.98 × 4,655,911.19 - Step 4: Simplify right side
18,302,881.10x = 127,824,326,262,378 - Step 5: Solve for x
x = 127,824,326,262,378/18,302,881.10 - Step 6: Final answer
x = 6,983,836.35
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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.