Finding the Fourth Proportional to 16,489,723.80, 24,734,585.70 and 12,238,195.80
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Solution
The fourth proportional to 16,489,723.80, 24,734,585.70 and 12,238,195.80 is: 18,357,293.70
Step by Step Solution
- Step 1: Write the proportion equation
16,489,723.80 : 24,734,585.70 = 12,238,195.80 : x - Step 2: Convert to fraction form
16,489,723.80/24,734,585.70 = 12,238,195.80/x - Step 3: Cross multiply
16,489,723.80x = 24,734,585.70 × 12,238,195.80 - Step 4: Simplify right side
16,489,723.80x = 302,706,702,828,480.06 - Step 5: Solve for x
x = 302,706,702,828,480.06/16,489,723.80 - Step 6: Final answer
x = 18,357,293.70
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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.