Finding the Fourth Proportional to 12,795,652.24, 19,193,478.36 and 4,275,988.70
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Solution
The fourth proportional to 12,795,652.24, 19,193,478.36 and 4,275,988.70 is: 6,413,983.05
Step by Step Solution
- Step 1: Write the proportion equation
12,795,652.24 : 19,193,478.36 = 4,275,988.70 : x - Step 2: Convert to fraction form
12,795,652.24/19,193,478.36 = 4,275,988.70/x - Step 3: Cross multiply
12,795,652.24x = 19,193,478.36 × 4,275,988.70 - Step 4: Simplify right side
12,795,652.24x = 82,071,096,581,054.53 - Step 5: Solve for x
x = 82,071,096,581,054.53/12,795,652.24 - Step 6: Final answer
x = 6,413,983.05
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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.