Finding the Fourth Proportional to 7,498,259.40, 11,247,389.10 and 5,492,857.80
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Solution
The fourth proportional to 7,498,259.40, 11,247,389.10 and 5,492,857.80 is: 8,239,286.70
Step by Step Solution
- Step 1: Write the proportion equation
7,498,259.40 : 11,247,389.10 = 5,492,857.80 : x - Step 2: Convert to fraction form
7,498,259.40/11,247,389.10 = 5,492,857.80/x - Step 3: Cross multiply
7,498,259.40x = 11,247,389.10 × 5,492,857.80 - Step 4: Simplify right side
7,498,259.40x = 61,780,308,947,569.98 - Step 5: Solve for x
x = 61,780,308,947,569.98/7,498,259.40 - Step 6: Final answer
x = 8,239,286.70
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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.