Finding the Fourth Proportional to 15,471,372.24, 21,328,321.14 and 10,873,423.44
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Solution
The fourth proportional to 15,471,372.24, 21,328,321.14 and 10,873,423.44 is: 14,989,741.27
Step by Step Solution
- Step 1: Write the proportion equation
15,471,372.24 : 21,328,321.14 = 10,873,423.44 : x - Step 2: Convert to fraction form
15,471,372.24/21,328,321.14 = 10,873,423.44/x - Step 3: Cross multiply
15,471,372.24x = 21,328,321.14 × 10,873,423.44 - Step 4: Simplify right side
15,471,372.24x = 231,911,867,019,523.53 - Step 5: Solve for x
x = 231,911,867,019,523.53/15,471,372.24 - Step 6: Final answer
x = 14,989,741.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.