Finding the Fourth Proportional to 10,209,224.70, 15,313,837.05 and 9,199,486.80
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Solution
The fourth proportional to 10,209,224.70, 15,313,837.05 and 9,199,486.80 is: 13,799,230.20
Step by Step Solution
- Step 1: Write the proportion equation
10,209,224.70 : 15,313,837.05 = 9,199,486.80 : x - Step 2: Convert to fraction form
10,209,224.70/15,313,837.05 = 9,199,486.80/x - Step 3: Cross multiply
10,209,224.70x = 15,313,837.05 × 9,199,486.80 - Step 4: Simplify right side
10,209,224.70x = 140,879,441,798,825.97 - Step 5: Solve for x
x = 140,879,441,798,825.97/10,209,224.70 - Step 6: Final answer
x = 13,799,230.20
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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.