Finding the Fourth Proportional to 7,632,835.75, 11,447,479.41 and 2,240,038.20
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Solution
The fourth proportional to 7,632,835.75, 11,447,479.41 and 2,240,038.20 is: 3,359,536.61
Step by Step Solution
- Step 1: Write the proportion equation
7,632,835.75 : 11,447,479.41 = 2,240,038.20 : x - Step 2: Convert to fraction form
7,632,835.75/11,447,479.41 = 2,240,038.20/x - Step 3: Cross multiply
7,632,835.75x = 11,447,479.41 × 2,240,038.20 - Step 4: Simplify right side
7,632,835.75x = 25,642,791,172,113.46 - Step 5: Solve for x
x = 25,642,791,172,113.46/7,632,835.75 - Step 6: Final answer
x = 3,359,536.61
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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.