Finding the Fourth Proportional to 9,762,447.08, 13,467,620.58 and 6,142,770.92
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Solution
The fourth proportional to 9,762,447.08, 13,467,620.58 and 6,142,770.92 is: 8,474,156.88
Step by Step Solution
- Step 1: Write the proportion equation
9,762,447.08 : 13,467,620.58 = 6,142,770.92 : x - Step 2: Convert to fraction form
9,762,447.08/13,467,620.58 = 6,142,770.92/x - Step 3: Cross multiply
9,762,447.08x = 13,467,620.58 × 6,142,770.92 - Step 4: Simplify right side
9,762,447.08x = 82,728,508,060,417.53 - Step 5: Solve for x
x = 82,728,508,060,417.53/9,762,447.08 - Step 6: Final answer
x = 8,474,156.88
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1.5x scale
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.