Finding the Fourth Proportional to 14,782,902.99, 22,213,720.55 and 7,964,711.79
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Solution
The fourth proportional to 14,782,902.99, 22,213,720.55 and 7,964,711.79 is: 11,968,277.28
Step by Step Solution
- Step 1: Write the proportion equation
14,782,902.99 : 22,213,720.55 = 7,964,711.79 : x - Step 2: Convert to fraction form
14,782,902.99/22,213,720.55 = 7,964,711.79/x - Step 3: Cross multiply
14,782,902.99x = 22,213,720.55 × 7,964,711.79 - Step 4: Simplify right side
14,782,902.99x = 176,925,881,964,350.28 - Step 5: Solve for x
x = 176,925,881,964,350.28/14,782,902.99 - Step 6: Final answer
x = 11,968,277.28
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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.