Finding the Fourth Proportional to 16,331,421.40, 24,497,132.10 and 7,237,875.40
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Solution
The fourth proportional to 16,331,421.40, 24,497,132.10 and 7,237,875.40 is: 10,856,813.10
Step by Step Solution
- Step 1: Write the proportion equation
16,331,421.40 : 24,497,132.10 = 7,237,875.40 : x - Step 2: Convert to fraction form
16,331,421.40/24,497,132.10 = 7,237,875.40/x - Step 3: Cross multiply
16,331,421.40x = 24,497,132.10 × 7,237,875.40 - Step 4: Simplify right side
16,331,421.40x = 177,307,189,797,140.38 - Step 5: Solve for x
x = 177,307,189,797,140.38/16,331,421.40 - Step 6: Final answer
x = 10,856,813.10
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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.