Finding the Fourth Proportional to 7,981,416.74, 11,014,354.68 and 4,310,332.96
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Solution
The fourth proportional to 7,981,416.74, 11,014,354.68 and 4,310,332.96 is: 5,948,259.26
Step by Step Solution
- Step 1: Write the proportion equation
7,981,416.74 : 11,014,354.68 = 4,310,332.96 : x - Step 2: Convert to fraction form
7,981,416.74/11,014,354.68 = 4,310,332.96/x - Step 3: Cross multiply
7,981,416.74x = 11,014,354.68 × 4,310,332.96 - Step 4: Simplify right side
7,981,416.74x = 47,475,536,010,334.25 - Step 5: Solve for x
x = 47,475,536,010,334.25/7,981,416.74 - Step 6: Final answer
x = 5,948,259.26
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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.