Finding the Fourth Proportional to 19,764,724.84, 29,655,608.46 and 7,642,722.76
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Solution
The fourth proportional to 19,764,724.84, 29,655,608.46 and 7,642,722.76 is: 11,467,379.16
Step by Step Solution
- Step 1: Write the proportion equation
19,764,724.84 : 29,655,608.46 = 7,642,722.76 : x - Step 2: Convert to fraction form
19,764,724.84/29,655,608.46 = 7,642,722.76/x - Step 3: Cross multiply
19,764,724.84x = 29,655,608.46 × 7,642,722.76 - Step 4: Simplify right side
19,764,724.84x = 226,649,593,738,890.56 - Step 5: Solve for x
x = 226,649,593,738,890.56/19,764,724.84 - Step 6: Final answer
x = 11,467,379.16
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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.