Finding the Fourth Proportional to 7,599,742.85, 11,405,605.40 and 2,808,802.23
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Solution
The fourth proportional to 7,599,742.85, 11,405,605.40 and 2,808,802.23 is: 4,215,417.62
Step by Step Solution
- Step 1: Write the proportion equation
7,599,742.85 : 11,405,605.40 = 2,808,802.23 : x - Step 2: Convert to fraction form
7,599,742.85/11,405,605.40 = 2,808,802.23/x - Step 3: Cross multiply
7,599,742.85x = 11,405,605.40 × 2,808,802.23 - Step 4: Simplify right side
7,599,742.85x = 32,036,089,882,020.04 - Step 5: Solve for x
x = 32,036,089,882,020.04/7,599,742.85 - Step 6: Final answer
x = 4,215,417.62
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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.