Finding the Fourth Proportional to 17,376,684.40, 26,077,468.20 and 7,286,546.80
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Solution
The fourth proportional to 17,376,684.40, 26,077,468.20 and 7,286,546.80 is: 10,935,037.32
Step by Step Solution
- Step 1: Write the proportion equation
17,376,684.40 : 26,077,468.20 = 7,286,546.80 : x - Step 2: Convert to fraction form
17,376,684.40/26,077,468.20 = 7,286,546.80/x - Step 3: Cross multiply
17,376,684.40x = 26,077,468.20 × 7,286,546.80 - Step 4: Simplify right side
17,376,684.40x = 190,014,692,464,811.75 - Step 5: Solve for x
x = 190,014,692,464,811.75/17,376,684.40 - Step 6: Final answer
x = 10,935,037.32
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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.