Finding the Fourth Proportional to 18,603,698.70, 27,842,562.45 and 16,336,217.10
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Solution
The fourth proportional to 18,603,698.70, 27,842,562.45 and 16,336,217.10 is: 24,449,016.95
Step by Step Solution
- Step 1: Write the proportion equation
18,603,698.70 : 27,842,562.45 = 16,336,217.10 : x - Step 2: Convert to fraction form
18,603,698.70/27,842,562.45 = 16,336,217.10/x - Step 3: Cross multiply
18,603,698.70x = 27,842,562.45 × 16,336,217.10 - Step 4: Simplify right side
18,603,698.70x = 454,842,144,803,507.88 - Step 5: Solve for x
x = 454,842,144,803,507.88/18,603,698.70 - Step 6: Final answer
x = 24,449,016.95
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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.