Finding the Fourth Proportional to 7,863,393.83, 11,778,054.18 and 3,811,405.32
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Solution
The fourth proportional to 7,863,393.83, 11,778,054.18 and 3,811,405.32 is: 5,708,850.32
Step by Step Solution
- Step 1: Write the proportion equation
7,863,393.83 : 11,778,054.18 = 3,811,405.32 : x - Step 2: Convert to fraction form
7,863,393.83/11,778,054.18 = 3,811,405.32/x - Step 3: Cross multiply
7,863,393.83x = 11,778,054.18 × 3,811,405.32 - Step 4: Simplify right side
7,863,393.83x = 44,890,938,360,900.23 - Step 5: Solve for x
x = 44,890,938,360,900.23/7,863,393.83 - Step 6: Final answer
x = 5,708,850.32
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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.