Finding the Fourth Proportional to 18,282,674.88, 27,432,989.15 and 7,352,423.10
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Solution
The fourth proportional to 18,282,674.88, 27,432,989.15 and 7,352,423.10 is: 11,032,244.70
Step by Step Solution
- Step 1: Write the proportion equation
18,282,674.88 : 27,432,989.15 = 7,352,423.10 : x - Step 2: Convert to fraction form
18,282,674.88/27,432,989.15 = 7,352,423.10/x - Step 3: Cross multiply
18,282,674.88x = 27,432,989.15 × 7,352,423.10 - Step 4: Simplify right side
18,282,674.88x = 201,698,943,091,747.25 - Step 5: Solve for x
x = 201,698,943,091,747.25/18,282,674.88 - Step 6: Final answer
x = 11,032,244.70
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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.