Finding the Fourth Proportional to 10,905,625.80, 16,358,438.70 and 9,226,009.80
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Solution
The fourth proportional to 10,905,625.80, 16,358,438.70 and 9,226,009.80 is: 13,839,014.70
Step by Step Solution
- Step 1: Write the proportion equation
10,905,625.80 : 16,358,438.70 = 9,226,009.80 : x - Step 2: Convert to fraction form
10,905,625.80/16,358,438.70 = 9,226,009.80/x - Step 3: Cross multiply
10,905,625.80x = 16,358,438.70 × 9,226,009.80 - Step 4: Simplify right side
10,905,625.80x = 150,923,115,758,899.25 - Step 5: Solve for x
x = 150,923,115,758,899.25/10,905,625.80 - Step 6: Final answer
x = 13,839,014.70
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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.