Finding the Fourth Proportional to 16,578,245.28, 24,750,802.48 and 12,667,233.95
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Solution
The fourth proportional to 16,578,245.28, 24,750,802.48 and 12,667,233.95 is: 18,911,784.70
Step by Step Solution
- Step 1: Write the proportion equation
16,578,245.28 : 24,750,802.48 = 12,667,233.95 : x - Step 2: Convert to fraction form
16,578,245.28/24,750,802.48 = 12,667,233.95/x - Step 3: Cross multiply
16,578,245.28x = 24,750,802.48 × 12,667,233.95 - Step 4: Simplify right side
16,578,245.28x = 313,524,205,464,400.19 - Step 5: Solve for x
x = 313,524,205,464,400.19/16,578,245.28 - Step 6: Final answer
x = 18,911,784.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.