Finding the Fourth Proportional to 12,163,793.68, 18,246,297.48 and 3,643,318.36
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Solution
The fourth proportional to 12,163,793.68, 18,246,297.48 and 3,643,318.36 is: 5,465,159.34
Step by Step Solution
- Step 1: Write the proportion equation
12,163,793.68 : 18,246,297.48 = 3,643,318.36 : x - Step 2: Convert to fraction form
12,163,793.68/18,246,297.48 = 3,643,318.36/x - Step 3: Cross multiply
12,163,793.68x = 18,246,297.48 × 3,643,318.36 - Step 4: Simplify right side
12,163,793.68x = 66,477,070,610,905.73 - Step 5: Solve for x
x = 66,477,070,610,905.73/12,163,793.68 - Step 6: Final answer
x = 5,465,159.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.