Finding the Fourth Proportional to 15,977,311.68, 22,049,078.40 and 9,697,909.80
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Solution
The fourth proportional to 15,977,311.68, 22,049,078.40 and 9,697,909.80 is: 13,383,351.20
Step by Step Solution
- Step 1: Write the proportion equation
15,977,311.68 : 22,049,078.40 = 9,697,909.80 : x - Step 2: Convert to fraction form
15,977,311.68/22,049,078.40 = 9,697,909.80/x - Step 3: Cross multiply
15,977,311.68x = 22,049,078.40 × 9,697,909.80 - Step 4: Simplify right side
15,977,311.68x = 213,829,973,496,328.31 - Step 5: Solve for x
x = 213,829,973,496,328.31/15,977,311.68 - Step 6: Final answer
x = 13,383,351.20
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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.