Finding the Fourth Proportional to 10,791,863.20, 16,187,420.40 and 2,704,909.60
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Solution
The fourth proportional to 10,791,863.20, 16,187,420.40 and 2,704,909.60 is: 4,057,270.56
Step by Step Solution
- Step 1: Write the proportion equation
10,791,863.20 : 16,187,420.40 = 2,704,909.60 : x - Step 2: Convert to fraction form
10,791,863.20/16,187,420.40 = 2,704,909.60/x - Step 3: Cross multiply
10,791,863.20x = 16,187,420.40 × 2,704,909.60 - Step 4: Simplify right side
10,791,863.20x = 43,785,508,839,195.84 - Step 5: Solve for x
x = 43,785,508,839,195.84/10,791,863.20 - Step 6: Final answer
x = 4,057,270.56
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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.