Finding the Fourth Proportional to 14,156,766.66, 21,131,800.18 and 12,147,919.68
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Solution
The fourth proportional to 14,156,766.66, 21,131,800.18 and 12,147,919.68 is: 18,133,195.06
Step by Step Solution
- Step 1: Write the proportion equation
14,156,766.66 : 21,131,800.18 = 12,147,919.68 : x - Step 2: Convert to fraction form
14,156,766.66/21,131,800.18 = 12,147,919.68/x - Step 3: Cross multiply
14,156,766.66x = 21,131,800.18 × 12,147,919.68 - Step 4: Simplify right side
14,156,766.66x = 256,707,411,280,449.53 - Step 5: Solve for x
x = 256,707,411,280,449.53/14,156,766.66 - Step 6: Final answer
x = 18,133,195.06
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.