Finding the Fourth Proportional to 12,216,367.84, 18,296,645.44 and 5,831,115.04
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Solution
The fourth proportional to 12,216,367.84, 18,296,645.44 and 5,831,115.04 is: 8,733,352.32
Step by Step Solution
- Step 1: Write the proportion equation
12,216,367.84 : 18,296,645.44 = 5,831,115.04 : x - Step 2: Convert to fraction form
12,216,367.84/18,296,645.44 = 5,831,115.04/x - Step 3: Cross multiply
12,216,367.84x = 18,296,645.44 × 5,831,115.04 - Step 4: Simplify right side
12,216,367.84x = 106,689,844,406,731.42 - Step 5: Solve for x
x = 106,689,844,406,731.42/12,216,367.84 - Step 6: Final answer
x = 8,733,352.32
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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.