Finding the Fourth Proportional to 8,771,464.28, 13,145,705.66 and 4,213,444.32
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Solution
The fourth proportional to 8,771,464.28, 13,145,705.66 and 4,213,444.32 is: 6,314,646.80
Step by Step Solution
- Step 1: Write the proportion equation
8,771,464.28 : 13,145,705.66 = 4,213,444.32 : x - Step 2: Convert to fraction form
8,771,464.28/13,145,705.66 = 4,213,444.32/x - Step 3: Cross multiply
8,771,464.28x = 13,145,705.66 × 4,213,444.32 - Step 4: Simplify right side
8,771,464.28x = 55,388,698,856,052.46 - Step 5: Solve for x
x = 55,388,698,856,052.46/8,771,464.28 - Step 6: Final answer
x = 6,314,646.80
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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.