Finding the Fourth Proportional to 7,811,735.34, 11,717,019.81 and 2,420,427.18
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Solution
The fourth proportional to 7,811,735.34, 11,717,019.81 and 2,420,427.18 is: 3,630,460.07
Step by Step Solution
- Step 1: Write the proportion equation
7,811,735.34 : 11,717,019.81 = 2,420,427.18 : x - Step 2: Convert to fraction form
7,811,735.34/11,717,019.81 = 2,420,427.18/x - Step 3: Cross multiply
7,811,735.34x = 11,717,019.81 × 2,420,427.18 - Step 4: Simplify right side
7,811,735.34x = 28,360,193,216,722.44 - Step 5: Solve for x
x = 28,360,193,216,722.44/7,811,735.34 - Step 6: Final answer
x = 3,630,460.07
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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.