Finding the Fourth Proportional to 11,069,029.20, 16,610,542.20 and 6,520,069.20
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Solution
The fourth proportional to 11,069,029.20, 16,610,542.20 and 6,520,069.20 is: 9,784,226.12
Step by Step Solution
- Step 1: Write the proportion equation
11,069,029.20 : 16,610,542.20 = 6,520,069.20 : x - Step 2: Convert to fraction form
11,069,029.20/16,610,542.20 = 6,520,069.20/x - Step 3: Cross multiply
11,069,029.20x = 16,610,542.20 × 6,520,069.20 - Step 4: Simplify right side
11,069,029.20x = 108,301,884,593,520.23 - Step 5: Solve for x
x = 108,301,884,593,520.23/11,069,029.20 - Step 6: Final answer
x = 9,784,226.12
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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.