Finding the Fourth Proportional to 43,893,388.62, 65,573,117.09 and 28,414,579.01
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Solution
The fourth proportional to 43,893,388.62, 65,573,117.09 and 28,414,579.01 is: 42,449,046.99
Step by Step Solution
- Step 1: Write the proportion equation
43,893,388.62 : 65,573,117.09 = 28,414,579.01 : x - Step 2: Convert to fraction form
43,893,388.62/65,573,117.09 = 28,414,579.01/x - Step 3: Cross multiply
43,893,388.62x = 65,573,117.09 × 28,414,579.01 - Step 4: Simplify right side
43,893,388.62x = 1,863,232,516,122,402.25 - Step 5: Solve for x
x = 1,863,232,516,122,402.25/43,893,388.62 - Step 6: Final answer
x = 42,449,046.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.