Finding the Fourth Proportional to 9,981,351.70, 14,972,027.55 and 9,701,415.70
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Solution
The fourth proportional to 9,981,351.70, 14,972,027.55 and 9,701,415.70 is: 14,552,123.55
Step by Step Solution
- Step 1: Write the proportion equation
9,981,351.70 : 14,972,027.55 = 9,701,415.70 : x - Step 2: Convert to fraction form
9,981,351.70/14,972,027.55 = 9,701,415.70/x - Step 3: Cross multiply
9,981,351.70x = 14,972,027.55 × 9,701,415.70 - Step 4: Simplify right side
9,981,351.70x = 145,249,863,134,402.53 - Step 5: Solve for x
x = 145,249,863,134,402.53/9,981,351.70 - Step 6: Final answer
x = 14,552,123.55
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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.