Finding the Fourth Proportional to 12,926,037.87, 19,393,485.93 and 4,412,353.05
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Solution
The fourth proportional to 12,926,037.87, 19,393,485.93 and 4,412,353.05 is: 6,620,041.47
Step by Step Solution
- Step 1: Write the proportion equation
12,926,037.87 : 19,393,485.93 = 4,412,353.05 : x - Step 2: Convert to fraction form
12,926,037.87/19,393,485.93 = 4,412,353.05/x - Step 3: Cross multiply
12,926,037.87x = 19,393,485.93 × 4,412,353.05 - Step 4: Simplify right side
12,926,037.87x = 85,570,906,793,367.58 - Step 5: Solve for x
x = 85,570,906,793,367.58/12,926,037.87 - Step 6: Final answer
x = 6,620,041.47
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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.