Finding the Fourth Proportional to 51,231,148.08, 70,699,542.36 and 28,025,776.84
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Solution
The fourth proportional to 51,231,148.08, 70,699,542.36 and 28,025,776.84 is: 38,675,877.30
Step by Step Solution
- Step 1: Write the proportion equation
51,231,148.08 : 70,699,542.36 = 28,025,776.84 : x - Step 2: Convert to fraction form
51,231,148.08/70,699,542.36 = 28,025,776.84/x - Step 3: Cross multiply
51,231,148.08x = 70,699,542.36 × 28,025,776.84 - Step 4: Simplify right side
51,231,148.08x = 1,981,409,596,871,487 - Step 5: Solve for x
x = 1,981,409,596,871,487/51,231,148.08 - Step 6: Final answer
x = 38,675,877.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.