Finding the Fourth Proportional to 7,353,208.80, 11,029,813.20 and 6,166,323.90
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Solution
The fourth proportional to 7,353,208.80, 11,029,813.20 and 6,166,323.90 is: 9,249,485.85
Step by Step Solution
- Step 1: Write the proportion equation
7,353,208.80 : 11,029,813.20 = 6,166,323.90 : x - Step 2: Convert to fraction form
7,353,208.80/11,029,813.20 = 6,166,323.90/x - Step 3: Cross multiply
7,353,208.80x = 11,029,813.20 × 6,166,323.90 - Step 4: Simplify right side
7,353,208.80x = 68,013,400,747,695.48 - Step 5: Solve for x
x = 68,013,400,747,695.48/7,353,208.80 - Step 6: Final answer
x = 9,249,485.85
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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.