Finding the Fourth Proportional to 7,564,494.80, 11,346,742.20 and 3,079,989.20
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Solution
The fourth proportional to 7,564,494.80, 11,346,742.20 and 3,079,989.20 is: 4,619,983.80
Step by Step Solution
- Step 1: Write the proportion equation
7,564,494.80 : 11,346,742.20 = 3,079,989.20 : x - Step 2: Convert to fraction form
7,564,494.80/11,346,742.20 = 3,079,989.20/x - Step 3: Cross multiply
7,564,494.80x = 11,346,742.20 × 3,079,989.20 - Step 4: Simplify right side
7,564,494.80x = 34,947,843,431,184.24 - Step 5: Solve for x
x = 34,947,843,431,184.24/7,564,494.80 - Step 6: Final answer
x = 4,619,983.80
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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.