Finding the Fourth Proportional to 16,578,243.28, 24,750,799.49 and 12,667,231.95
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Solution
The fourth proportional to 16,578,243.28, 24,750,799.49 and 12,667,231.95 is: 18,911,781.71
Step by Step Solution
- Step 1: Write the proportion equation
16,578,243.28 : 24,750,799.49 = 12,667,231.95 : x - Step 2: Convert to fraction form
16,578,243.28/24,750,799.49 = 12,667,231.95/x - Step 3: Cross multiply
16,578,243.28x = 24,750,799.49 × 12,667,231.95 - Step 4: Simplify right side
16,578,243.28x = 313,524,118,026,624.25 - Step 5: Solve for x
x = 313,524,118,026,624.25/16,578,243.28 - Step 6: Final answer
x = 18,911,781.71
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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.