Finding the Fourth Proportional to 47,904,811.46, 66,108,574.84 and 27,278,257.66
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Solution
The fourth proportional to 47,904,811.46, 66,108,574.84 and 27,278,257.66 is: 37,643,958.57
Step by Step Solution
- Step 1: Write the proportion equation
47,904,811.46 : 66,108,574.84 = 27,278,257.66 : x - Step 2: Convert to fraction form
47,904,811.46/66,108,574.84 = 27,278,257.66/x - Step 3: Cross multiply
47,904,811.46x = 66,108,574.84 × 27,278,257.66 - Step 4: Simplify right side
47,904,811.46x = 1,803,326,738,020,913.50 - Step 5: Solve for x
x = 1,803,326,738,020,913.50/47,904,811.46 - Step 6: Final answer
x = 37,643,958.57
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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.