Finding the Fourth Proportional to 7,353,207.80, 11,029,811.70 and 6,166,322.90
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Solution
The fourth proportional to 7,353,207.80, 11,029,811.70 and 6,166,322.90 is: 9,249,484.35
Step by Step Solution
- Step 1: Write the proportion equation
7,353,207.80 : 11,029,811.70 = 6,166,322.90 : x - Step 2: Convert to fraction form
7,353,207.80/11,029,811.70 = 6,166,322.90/x - Step 3: Cross multiply
7,353,207.80x = 11,029,811.70 × 6,166,322.90 - Step 4: Simplify right side
7,353,207.80x = 68,013,380,468,397.93 - Step 5: Solve for x
x = 68,013,380,468,397.93/7,353,207.80 - Step 6: Final answer
x = 9,249,484.35
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1.5x scale
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.