Finding the Fourth Proportional to 16,391,325.20, 24,586,987.80 and 12,410,013.20
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Solution
The fourth proportional to 16,391,325.20, 24,586,987.80 and 12,410,013.20 is: 18,615,019.80
Step by Step Solution
- Step 1: Write the proportion equation
16,391,325.20 : 24,586,987.80 = 12,410,013.20 : x - Step 2: Convert to fraction form
16,391,325.20/24,586,987.80 = 12,410,013.20/x - Step 3: Cross multiply
16,391,325.20x = 24,586,987.80 × 12,410,013.20 - Step 4: Simplify right side
16,391,325.20x = 305,124,843,146,238.94 - Step 5: Solve for x
x = 305,124,843,146,238.94/16,391,325.20 - Step 6: Final answer
x = 18,615,019.80
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1.5x scale
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.