Finding the Fourth Proportional to 18,329,395.80, 27,497,634.18 and 6,968,961.12
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Solution
The fourth proportional to 18,329,395.80, 27,497,634.18 and 6,968,961.12 is: 10,454,787.79
Step by Step Solution
- Step 1: Write the proportion equation
18,329,395.80 : 27,497,634.18 = 6,968,961.12 : x - Step 2: Convert to fraction form
18,329,395.80/27,497,634.18 = 6,968,961.12/x - Step 3: Cross multiply
18,329,395.80x = 27,497,634.18 × 6,968,961.12 - Step 4: Simplify right side
18,329,395.80x = 191,629,943,492,403.09 - Step 5: Solve for x
x = 191,629,943,492,403.09/18,329,395.80 - Step 6: Final answer
x = 10,454,787.79
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1.5x scale
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.