Finding the Fourth Proportional to 39,448,971.18, 54,439,421.94 and 22,045,311.81
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Solution
The fourth proportional to 39,448,971.18, 54,439,421.94 and 22,045,311.81 is: 30,422,441.84
Step by Step Solution
- Step 1: Write the proportion equation
39,448,971.18 : 54,439,421.94 = 22,045,311.81 : x - Step 2: Convert to fraction form
39,448,971.18/54,439,421.94 = 22,045,311.81/x - Step 3: Cross multiply
39,448,971.18x = 54,439,421.94 × 22,045,311.81 - Step 4: Simplify right side
39,448,971.18x = 1,200,134,031,423,455 - Step 5: Solve for x
x = 1,200,134,031,423,455/39,448,971.18 - Step 6: Final answer
x = 30,422,441.84
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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.