Finding the Fourth Proportional to 39,929,468.54, 55,102,703.33 and 21,594,754.04
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Solution
The fourth proportional to 39,929,468.54, 55,102,703.33 and 21,594,754.04 is: 29,800,780.45
Step by Step Solution
- Step 1: Write the proportion equation
39,929,468.54 : 55,102,703.33 = 21,594,754.04 : x - Step 2: Convert to fraction form
39,929,468.54/55,102,703.33 = 21,594,754.04/x - Step 3: Cross multiply
39,929,468.54x = 55,102,703.33 × 21,594,754.04 - Step 4: Simplify right side
39,929,468.54x = 1,189,929,325,350,438.75 - Step 5: Solve for x
x = 1,189,929,325,350,438.75/39,929,468.54 - Step 6: Final answer
x = 29,800,780.45
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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.