Finding the Fourth Proportional to 35,218,848.13, 52,831,891.68 and 12,189,744.81
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Solution
The fourth proportional to 35,218,848.13, 52,831,891.68 and 12,189,744.81 is: 18,285,869.97
Step by Step Solution
- Step 1: Write the proportion equation
35,218,848.13 : 52,831,891.68 = 12,189,744.81 : x - Step 2: Convert to fraction form
35,218,848.13/52,831,891.68 = 12,189,744.81/x - Step 3: Cross multiply
35,218,848.13x = 52,831,891.68 × 12,189,744.81 - Step 4: Simplify right side
35,218,848.13x = 644,007,277,363,050.75 - Step 5: Solve for x
x = 644,007,277,363,050.75/35,218,848.13 - Step 6: Final answer
x = 18,285,869.97
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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.