Finding the Fourth Proportional to 11,909,107.95, 16,438,269.38 and 9,466,053.99
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Solution
The fourth proportional to 11,909,107.95, 16,438,269.38 and 9,466,053.99 is: 13,066,095.80
Step by Step Solution
- Step 1: Write the proportion equation
11,909,107.95 : 16,438,269.38 = 9,466,053.99 : x - Step 2: Convert to fraction form
11,909,107.95/16,438,269.38 = 9,466,053.99/x - Step 3: Cross multiply
11,909,107.95x = 16,438,269.38 × 9,466,053.99 - Step 4: Simplify right side
11,909,107.95x = 155,605,545,405,913.56 - Step 5: Solve for x
x = 155,605,545,405,913.56/11,909,107.95 - Step 6: Final answer
x = 13,066,095.80
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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.