Finding the Fourth Proportional to 13,159,108.70, 19,738,663.05 and 7,490,404.70
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Solution
The fourth proportional to 13,159,108.70, 19,738,663.05 and 7,490,404.70 is: 11,235,607.05
Step by Step Solution
- Step 1: Write the proportion equation
13,159,108.70 : 19,738,663.05 = 7,490,404.70 : x - Step 2: Convert to fraction form
13,159,108.70/19,738,663.05 = 7,490,404.70/x - Step 3: Cross multiply
13,159,108.70x = 19,738,663.05 × 7,490,404.70 - Step 4: Simplify right side
13,159,108.70x = 147,850,574,481,436.34 - Step 5: Solve for x
x = 147,850,574,481,436.34/13,159,108.70 - Step 6: Final answer
x = 11,235,607.05
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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.