Finding the Fourth Proportional to 12,482,737.40, 18,711,203.70 and 6,790,935.80
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Solution
The fourth proportional to 12,482,737.40, 18,711,203.70 and 6,790,935.80 is: 10,179,384.46
Step by Step Solution
- Step 1: Write the proportion equation
12,482,737.40 : 18,711,203.70 = 6,790,935.80 : x - Step 2: Convert to fraction form
12,482,737.40/18,711,203.70 = 6,790,935.80/x - Step 3: Cross multiply
12,482,737.40x = 18,711,203.70 × 6,790,935.80 - Step 4: Simplify right side
12,482,737.40x = 127,066,583,067,422.45 - Step 5: Solve for x
x = 127,066,583,067,422.45/12,482,737.40 - Step 6: Final answer
x = 10,179,384.46
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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.