Finding the Fourth Proportional to 7,901,136.09, 11,852,652.92 and 2,782,507.35
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Solution
The fourth proportional to 7,901,136.09, 11,852,652.92 and 2,782,507.35 is: 4,174,095.16
Step by Step Solution
- Step 1: Write the proportion equation
7,901,136.09 : 11,852,652.92 = 2,782,507.35 : x - Step 2: Convert to fraction form
7,901,136.09/11,852,652.92 = 2,782,507.35/x - Step 3: Cross multiply
7,901,136.09x = 11,852,652.92 × 2,782,507.35 - Step 4: Simplify right side
7,901,136.09x = 32,980,093,897,433.87 - Step 5: Solve for x
x = 32,980,093,897,433.87/7,901,136.09 - Step 6: Final answer
x = 4,174,095.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.