Finding the Fourth Proportional to 9,995,988.65, 14,994,543.77 and 2,806,961.99
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Solution
The fourth proportional to 9,995,988.65, 14,994,543.77 and 2,806,961.99 is: 4,210,600.45
Step by Step Solution
- Step 1: Write the proportion equation
9,995,988.65 : 14,994,543.77 = 2,806,961.99 : x - Step 2: Convert to fraction form
9,995,988.65/14,994,543.77 = 2,806,961.99/x - Step 3: Cross multiply
9,995,988.65x = 14,994,543.77 × 2,806,961.99 - Step 4: Simplify right side
9,995,988.65x = 42,089,114,351,825.99 - Step 5: Solve for x
x = 42,089,114,351,825.99/9,995,988.65 - Step 6: Final answer
x = 4,210,600.45
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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.