Finding the Fourth Proportional to 7,670,744.21, 10,585,463.84 and 4,185,967.48
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Solution
The fourth proportional to 7,670,744.21, 10,585,463.84 and 4,185,967.48 is: 5,776,546.07
Step by Step Solution
- Step 1: Write the proportion equation
7,670,744.21 : 10,585,463.84 = 4,185,967.48 : x - Step 2: Convert to fraction form
7,670,744.21/10,585,463.84 = 4,185,967.48/x - Step 3: Cross multiply
7,670,744.21x = 10,585,463.84 × 4,185,967.48 - Step 4: Simplify right side
7,670,744.21x = 44,310,407,363,259.80 - Step 5: Solve for x
x = 44,310,407,363,259.80/7,670,744.21 - Step 6: Final answer
x = 5,776,546.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.