Finding the Fourth Proportional to 23,438,493.36, 32,356,335.74 and 15,611,031.90
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Solution
The fourth proportional to 23,438,493.36, 32,356,335.74 and 15,611,031.90 is: 21,550,693.62
Step by Step Solution
- Step 1: Write the proportion equation
23,438,493.36 : 32,356,335.74 = 15,611,031.90 : x - Step 2: Convert to fraction form
23,438,493.36/32,356,335.74 = 15,611,031.90/x - Step 3: Cross multiply
23,438,493.36x = 32,356,335.74 × 15,611,031.90 - Step 4: Simplify right side
23,438,493.36x = 505,115,789,404,250.06 - Step 5: Solve for x
x = 505,115,789,404,250.06/23,438,493.36 - Step 6: Final answer
x = 21,550,693.62
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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.