Finding the Fourth Proportional to 13,461,332.43, 18,576,384.84 and 8,233,955.99
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Solution
The fourth proportional to 13,461,332.43, 18,576,384.84 and 8,233,955.99 is: 11,362,703.95
Step by Step Solution
- Step 1: Write the proportion equation
13,461,332.43 : 18,576,384.84 = 8,233,955.99 : x - Step 2: Convert to fraction form
13,461,332.43/18,576,384.84 = 8,233,955.99/x - Step 3: Cross multiply
13,461,332.43x = 18,576,384.84 × 8,233,955.99 - Step 4: Simplify right side
13,461,332.43x = 152,957,135,132,981.28 - Step 5: Solve for x
x = 152,957,135,132,981.28/13,461,332.43 - Step 6: Final answer
x = 11,362,703.95
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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.