Finding the Fourth Proportional to 10,242,805.64, 15,365,242.62 and 3,325,995.79
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Solution
The fourth proportional to 10,242,805.64, 15,365,242.62 and 3,325,995.79 is: 4,989,329.49
Step by Step Solution
- Step 1: Write the proportion equation
10,242,805.64 : 15,365,242.62 = 3,325,995.79 : x - Step 2: Convert to fraction form
10,242,805.64/15,365,242.62 = 3,325,995.79/x - Step 3: Cross multiply
10,242,805.64x = 15,365,242.62 × 3,325,995.79 - Step 4: Simplify right side
10,242,805.64x = 51,104,732,228,035.46 - Step 5: Solve for x
x = 51,104,732,228,035.46/10,242,805.64 - Step 6: Final answer
x = 4,989,329.49
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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.