Finding the Fourth Proportional to 10,315,337.20, 14,235,233.64 and 6,450,120.88
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Solution
The fourth proportional to 10,315,337.20, 14,235,233.64 and 6,450,120.88 is: 8,901,209.52
Step by Step Solution
- Step 1: Write the proportion equation
10,315,337.20 : 14,235,233.64 = 6,450,120.88 : x - Step 2: Convert to fraction form
10,315,337.20/14,235,233.64 = 6,450,120.88/x - Step 3: Cross multiply
10,315,337.20x = 14,235,233.64 × 6,450,120.88 - Step 4: Simplify right side
10,315,337.20x = 91,818,977,733,042.41 - Step 5: Solve for x
x = 91,818,977,733,042.41/10,315,337.20 - Step 6: Final answer
x = 8,901,209.52
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1.5x scale
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.