Finding the Fourth Proportional to 16,171,358.40, 24,257,037.60 and 11,919,830.40
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Solution
The fourth proportional to 16,171,358.40, 24,257,037.60 and 11,919,830.40 is: 17,879,745.60
Step by Step Solution
- Step 1: Write the proportion equation
16,171,358.40 : 24,257,037.60 = 11,919,830.40 : x - Step 2: Convert to fraction form
16,171,358.40/24,257,037.60 = 11,919,830.40/x - Step 3: Cross multiply
16,171,358.40x = 24,257,037.60 × 11,919,830.40 - Step 4: Simplify right side
16,171,358.40x = 289,139,774,198,423.06 - Step 5: Solve for x
x = 289,139,774,198,423.06/16,171,358.40 - Step 6: Final answer
x = 17,879,745.60
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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.