Finding the Fourth Proportional to 13,164,402.79, 19,747,470.63 and 3,449,253.68
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Solution
The fourth proportional to 13,164,402.79, 19,747,470.63 and 3,449,253.68 is: 5,174,107.54
Step by Step Solution
- Step 1: Write the proportion equation
13,164,402.79 : 19,747,470.63 = 3,449,253.68 : x - Step 2: Convert to fraction form
13,164,402.79/19,747,470.63 = 3,449,253.68/x - Step 3: Cross multiply
13,164,402.79x = 19,747,470.63 × 3,449,253.68 - Step 4: Simplify right side
13,164,402.79x = 68,114,035,741,219.42 - Step 5: Solve for x
x = 68,114,035,741,219.42/13,164,402.79 - Step 6: Final answer
x = 5,174,107.54
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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.