Finding the Fourth Proportional to 12,771,095.99, 19,145,254.47 and 4,682,186.70
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Solution
The fourth proportional to 12,771,095.99, 19,145,254.47 and 4,682,186.70 is: 7,019,104.39
Step by Step Solution
- Step 1: Write the proportion equation
12,771,095.99 : 19,145,254.47 = 4,682,186.70 : x - Step 2: Convert to fraction form
12,771,095.99/19,145,254.47 = 4,682,186.70/x - Step 3: Cross multiply
12,771,095.99x = 19,145,254.47 × 4,682,186.70 - Step 4: Simplify right side
12,771,095.99x = 89,641,655,847,549.55 - Step 5: Solve for x
x = 89,641,655,847,549.55/12,771,095.99 - Step 6: Final answer
x = 7,019,104.39
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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.