Finding the Fourth Proportional to 39,442,849.92, 59,170,632.37 and 12,149,129.98
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Solution
The fourth proportional to 39,442,849.92, 59,170,632.37 and 12,149,129.98 is: 18,225,653.19
Step by Step Solution
- Step 1: Write the proportion equation
39,442,849.92 : 59,170,632.37 = 12,149,129.98 : x - Step 2: Convert to fraction form
39,442,849.92/59,170,632.37 = 12,149,129.98/x - Step 3: Cross multiply
39,442,849.92x = 59,170,632.37 × 12,149,129.98 - Step 4: Simplify right side
39,442,849.92x = 718,871,703,661,925.50 - Step 5: Solve for x
x = 718,871,703,661,925.50/39,442,849.92 - Step 6: Final answer
x = 18,225,653.19
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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.