Finding the Fourth Proportional to 10,319,207.84, 15,478,763.04 and 2,642,838.08
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Solution
The fourth proportional to 10,319,207.84, 15,478,763.04 and 2,642,838.08 is: 3,964,244.64
Step by Step Solution
- Step 1: Write the proportion equation
10,319,207.84 : 15,478,763.04 = 2,642,838.08 : x - Step 2: Convert to fraction form
10,319,207.84/15,478,763.04 = 2,642,838.08/x - Step 3: Cross multiply
10,319,207.84x = 15,478,763.04 × 2,642,838.08 - Step 4: Simplify right side
10,319,207.84x = 40,907,864,393,408.56 - Step 5: Solve for x
x = 40,907,864,393,408.56/10,319,207.84 - Step 6: Final answer
x = 3,964,244.64
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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.