Finding the Fourth Proportional to 51,135,910.12, 70,567,475.94 and 27,931,036.84
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Solution
The fourth proportional to 51,135,910.12, 70,567,475.94 and 27,931,036.84 is: 38,544,787.13
Step by Step Solution
- Step 1: Write the proportion equation
51,135,910.12 : 70,567,475.94 = 27,931,036.84 : x - Step 2: Convert to fraction form
51,135,910.12/70,567,475.94 = 27,931,036.84/x - Step 3: Cross multiply
51,135,910.12x = 70,567,475.94 × 27,931,036.84 - Step 4: Simplify right side
51,135,910.12x = 1,971,022,770,185,953.50 - Step 5: Solve for x
x = 1,971,022,770,185,953.50/51,135,910.12 - Step 6: Final answer
x = 38,544,787.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.