Finding the Fourth Proportional to 23,212,163.28, 32,031,615.03 and 12,898,664.94
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Solution
The fourth proportional to 23,212,163.28, 32,031,615.03 and 12,898,664.94 is: 17,799,507.30
Step by Step Solution
- Step 1: Write the proportion equation
23,212,163.28 : 32,031,615.03 = 12,898,664.94 : x - Step 2: Convert to fraction form
23,212,163.28/32,031,615.03 = 12,898,664.94/x - Step 3: Cross multiply
23,212,163.28x = 32,031,615.03 × 12,898,664.94 - Step 4: Simplify right side
23,212,163.28x = 413,165,069,759,038.06 - Step 5: Solve for x
x = 413,165,069,759,038.06/23,212,163.28 - Step 6: Final answer
x = 17,799,507.30
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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.