Finding the Fourth Proportional to 7,009,267.46, 9,672,915.05 and 4,110,748.88
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Solution
The fourth proportional to 7,009,267.46, 9,672,915.05 and 4,110,748.88 is: 5,672,907.32
Step by Step Solution
- Step 1: Write the proportion equation
7,009,267.46 : 9,672,915.05 = 4,110,748.88 : x - Step 2: Convert to fraction form
7,009,267.46/9,672,915.05 = 4,110,748.88/x - Step 3: Cross multiply
7,009,267.46x = 9,672,915.05 × 4,110,748.88 - Step 4: Simplify right side
7,009,267.46x = 39,762,924,639,204.32 - Step 5: Solve for x
x = 39,762,924,639,204.32/7,009,267.46 - Step 6: Final answer
x = 5,672,907.32
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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.