Finding the Fourth Proportional to 11,314,964.68, 15,614,994.18 and 6,158,699.08
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Solution
The fourth proportional to 11,314,964.68, 15,614,994.18 and 6,158,699.08 is: 8,499,191.38
Step by Step Solution
- Step 1: Write the proportion equation
11,314,964.68 : 15,614,994.18 = 6,158,699.08 : x - Step 2: Convert to fraction form
11,314,964.68/15,614,994.18 = 6,158,699.08/x - Step 3: Cross multiply
11,314,964.68x = 15,614,994.18 × 6,158,699.08 - Step 4: Simplify right side
11,314,964.68x = 96,168,050,290,571.36 - Step 5: Solve for x
x = 96,168,050,290,571.36/11,314,964.68 - Step 6: Final answer
x = 8,499,191.38
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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.