Finding the Fourth Proportional to 13,171,852.95, 19,777,202.10 and 7,347,418.92
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Solution
The fourth proportional to 13,171,852.95, 19,777,202.10 and 7,347,418.92 is: 11,031,962.58
Step by Step Solution
- Step 1: Write the proportion equation
13,171,852.95 : 19,777,202.10 = 7,347,418.92 : x - Step 2: Convert to fraction form
13,171,852.95/19,777,202.10 = 7,347,418.92/x - Step 3: Cross multiply
13,171,852.95x = 19,777,202.10 × 7,347,418.92 - Step 4: Simplify right side
13,171,852.95x = 145,311,388,894,203.75 - Step 5: Solve for x
x = 145,311,388,894,203.75/13,171,852.95 - Step 6: Final answer
x = 11,031,962.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.