Finding the Fourth Proportional to 51,686,796.76, 71,328,257.84 and 28,482,754.08
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Solution
The fourth proportional to 51,686,796.76, 71,328,257.84 and 28,482,754.08 is: 39,306,464.21
Step by Step Solution
- Step 1: Write the proportion equation
51,686,796.76 : 71,328,257.84 = 28,482,754.08 : x - Step 2: Convert to fraction form
51,686,796.76/71,328,257.84 = 28,482,754.08/x - Step 3: Cross multiply
51,686,796.76x = 71,328,257.84 × 28,482,754.08 - Step 4: Simplify right side
51,686,796.76x = 2,031,625,227,011,552 - Step 5: Solve for x
x = 2,031,625,227,011,552/51,686,796.76 - Step 6: Final answer
x = 39,306,464.21
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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.