Finding the Fourth Proportional to 14,311,898.08, 19,750,404.08 and 7,785,512.14
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Solution
The fourth proportional to 14,311,898.08, 19,750,404.08 and 7,785,512.14 is: 10,743,998.45
Step by Step Solution
- Step 1: Write the proportion equation
14,311,898.08 : 19,750,404.08 = 7,785,512.14 : x - Step 2: Convert to fraction form
14,311,898.08/19,750,404.08 = 7,785,512.14/x - Step 3: Cross multiply
14,311,898.08x = 19,750,404.08 × 7,785,512.14 - Step 4: Simplify right side
14,311,898.08x = 153,767,010,734,745.50 - Step 5: Solve for x
x = 153,767,010,734,745.50/14,311,898.08 - Step 6: Final answer
x = 10,743,998.45
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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.