Finding the Fourth Proportional to 39,929,467.54, 55,102,701.95 and 21,594,753.04
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Solution
The fourth proportional to 39,929,467.54, 55,102,701.95 and 21,594,753.04 is: 29,800,779.07
Step by Step Solution
- Step 1: Write the proportion equation
39,929,467.54 : 55,102,701.95 = 21,594,753.04 : x - Step 2: Convert to fraction form
39,929,467.54/55,102,701.95 = 21,594,753.04/x - Step 3: Cross multiply
39,929,467.54x = 55,102,701.95 × 21,594,753.04 - Step 4: Simplify right side
39,929,467.54x = 1,189,929,240,324,797.75 - Step 5: Solve for x
x = 1,189,929,240,324,797.75/39,929,467.54 - Step 6: Final answer
x = 29,800,779.07
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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.