Finding the Fourth Proportional to 40,725,122.40, 56,201,777.52 and 22,141,512.95
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Solution
The fourth proportional to 40,725,122.40, 56,201,777.52 and 22,141,512.95 is: 30,555,890.60
Step by Step Solution
- Step 1: Write the proportion equation
40,725,122.40 : 56,201,777.52 = 22,141,512.95 : x - Step 2: Convert to fraction form
40,725,122.40/56,201,777.52 = 22,141,512.95/x - Step 3: Cross multiply
40,725,122.40x = 56,201,777.52 × 22,141,512.95 - Step 4: Simplify right side
40,725,122.40x = 1,244,392,384,772,099 - Step 5: Solve for x
x = 1,244,392,384,772,099/40,725,122.40 - Step 6: Final answer
x = 30,555,890.60
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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.