Finding the Fourth Proportional to 43,455,062.40, 65,088,115.20 and 26,385,964.80
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Solution
The fourth proportional to 43,455,062.40, 65,088,115.20 and 26,385,964.80 is: 39,521,579.80
Step by Step Solution
- Step 1: Write the proportion equation
43,455,062.40 : 65,088,115.20 = 26,385,964.80 : x - Step 2: Convert to fraction form
43,455,062.40/65,088,115.20 = 26,385,964.80/x - Step 3: Cross multiply
43,455,062.40x = 65,088,115.20 × 26,385,964.80 - Step 4: Simplify right side
43,455,062.40x = 1,717,412,716,565,545 - Step 5: Solve for x
x = 1,717,412,716,565,545/43,455,062.40 - Step 6: Final answer
x = 39,521,579.80
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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.