Finding the Fourth Proportional to 22,572,149.63, 31,151,487.56 and 12,784,334.99
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Solution
The fourth proportional to 22,572,149.63, 31,151,487.56 and 12,784,334.99 is: 17,643,470.33
Step by Step Solution
- Step 1: Write the proportion equation
22,572,149.63 : 31,151,487.56 = 12,784,334.99 : x - Step 2: Convert to fraction form
22,572,149.63/31,151,487.56 = 12,784,334.99/x - Step 3: Cross multiply
22,572,149.63x = 31,151,487.56 × 12,784,334.99 - Step 4: Simplify right side
22,572,149.63x = 398,251,052,184,178.56 - Step 5: Solve for x
x = 398,251,052,184,178.56/22,572,149.63 - Step 6: Final answer
x = 17,643,470.33
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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.