Finding the Fourth Proportional to 26,537,113.44, 39,764,198.16 and 18,465,858.72
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Solution
The fourth proportional to 26,537,113.44, 39,764,198.16 and 18,465,858.72 is: 27,669,929.78
Step by Step Solution
- Step 1: Write the proportion equation
26,537,113.44 : 39,764,198.16 = 18,465,858.72 : x - Step 2: Convert to fraction form
26,537,113.44/39,764,198.16 = 18,465,858.72/x - Step 3: Cross multiply
26,537,113.44x = 39,764,198.16 × 18,465,858.72 - Step 4: Simplify right side
26,537,113.44x = 734,280,065,336,643.88 - Step 5: Solve for x
x = 734,280,065,336,643.88/26,537,113.44 - Step 6: Final answer
x = 27,669,929.78
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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.