Finding the Fourth Proportional to 17,944,905.60, 26,920,857.60 and 7,709,745.60
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Solution
The fourth proportional to 17,944,905.60, 26,920,857.60 and 7,709,745.60 is: 11,566,121.78
Step by Step Solution
- Step 1: Write the proportion equation
17,944,905.60 : 26,920,857.60 = 7,709,745.60 : x - Step 2: Convert to fraction form
17,944,905.60/26,920,857.60 = 7,709,745.60/x - Step 3: Cross multiply
17,944,905.60x = 26,920,857.60 × 7,709,745.60 - Step 4: Simplify right side
17,944,905.60x = 207,552,963,429,826.56 - Step 5: Solve for x
x = 207,552,963,429,826.56/17,944,905.60 - Step 6: Final answer
x = 11,566,121.78
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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.