Finding the Fourth Proportional to 29,289,271.21, 40,419,193.40 and 16,236,497.05
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Solution
The fourth proportional to 29,289,271.21, 40,419,193.40 and 16,236,497.05 is: 22,406,365.45
Step by Step Solution
- Step 1: Write the proportion equation
29,289,271.21 : 40,419,193.40 = 16,236,497.05 : x - Step 2: Convert to fraction form
29,289,271.21/40,419,193.40 = 16,236,497.05/x - Step 3: Cross multiply
29,289,271.21x = 40,419,193.40 × 16,236,497.05 - Step 4: Simplify right side
29,289,271.21x = 656,266,114,402,479.50 - Step 5: Solve for x
x = 656,266,114,402,479.50/29,289,271.21 - Step 6: Final answer
x = 22,406,365.45
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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.