Finding the Fourth Proportional to 12,834,541.40, 19,251,625.98 and 3,119,226.44
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Solution
The fourth proportional to 12,834,541.40, 19,251,625.98 and 3,119,226.44 is: 4,678,794.43
Step by Step Solution
- Step 1: Write the proportion equation
12,834,541.40 : 19,251,625.98 = 3,119,226.44 : x - Step 2: Convert to fraction form
12,834,541.40/19,251,625.98 = 3,119,226.44/x - Step 3: Cross multiply
12,834,541.40x = 19,251,625.98 × 3,119,226.44 - Step 4: Simplify right side
12,834,541.40x = 60,050,180,769,806.91 - Step 5: Solve for x
x = 60,050,180,769,806.91/12,834,541.40 - Step 6: Final answer
x = 4,678,794.43
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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.