Finding the Fourth Proportional to 12,289,129.98, 16,965,377.50 and 8,977,708.24
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Solution
The fourth proportional to 12,289,129.98, 16,965,377.50 and 8,977,708.24 is: 12,393,896.85
Step by Step Solution
- Step 1: Write the proportion equation
12,289,129.98 : 16,965,377.50 = 8,977,708.24 : x - Step 2: Convert to fraction form
12,289,129.98/16,965,377.50 = 8,977,708.24/x - Step 3: Cross multiply
12,289,129.98x = 16,965,377.50 × 8,977,708.24 - Step 4: Simplify right side
12,289,129.98x = 152,310,209,376,460.59 - Step 5: Solve for x
x = 152,310,209,376,460.59/12,289,129.98 - Step 6: Final answer
x = 12,393,896.85
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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.