Finding the Fourth Proportional to 13,203,770.40, 19,805,655.60 and 10,493,421.30
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Solution
The fourth proportional to 13,203,770.40, 19,805,655.60 and 10,493,421.30 is: 15,740,131.95
Step by Step Solution
- Step 1: Write the proportion equation
13,203,770.40 : 19,805,655.60 = 10,493,421.30 : x - Step 2: Convert to fraction form
13,203,770.40/19,805,655.60 = 10,493,421.30/x - Step 3: Cross multiply
13,203,770.40x = 19,805,655.60 × 10,493,421.30 - Step 4: Simplify right side
13,203,770.40x = 207,829,088,333,504.31 - Step 5: Solve for x
x = 207,829,088,333,504.31/13,203,770.40 - Step 6: Final answer
x = 15,740,131.95
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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.