Finding the Fourth Proportional to 31,369,454.28, 47,054,218.41 and 9,804,168.99
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Solution
The fourth proportional to 31,369,454.28, 47,054,218.41 and 9,804,168.99 is: 14,706,265.05
Step by Step Solution
- Step 1: Write the proportion equation
31,369,454.28 : 47,054,218.41 = 9,804,168.99 : x - Step 2: Convert to fraction form
31,369,454.28/47,054,218.41 = 9,804,168.99/x - Step 3: Cross multiply
31,369,454.28x = 47,054,218.41 × 9,804,168.99 - Step 4: Simplify right side
31,369,454.28x = 461,327,508,984,009.06 - Step 5: Solve for x
x = 461,327,508,984,009.06/31,369,454.28 - Step 6: Final answer
x = 14,706,265.05
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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.