Finding the Fourth Proportional to 6,325,215.12, 9,477,888.18 and 4,889,416.80
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Solution
The fourth proportional to 6,325,215.12, 9,477,888.18 and 4,889,416.80 is: 7,326,445.79
Step by Step Solution
- Step 1: Write the proportion equation
6,325,215.12 : 9,477,888.18 = 4,889,416.80 : x - Step 2: Convert to fraction form
6,325,215.12/9,477,888.18 = 4,889,416.80/x - Step 3: Cross multiply
6,325,215.12x = 9,477,888.18 × 4,889,416.80 - Step 4: Simplify right side
6,325,215.12x = 46,341,345,695,813.42 - Step 5: Solve for x
x = 46,341,345,695,813.42/6,325,215.12 - Step 6: Final answer
x = 7,326,445.79
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1.5x scale
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.