Finding the Fourth Proportional to 19,392,890.94, 29,017,482.01 and 15,543,036.81
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Solution
The fourth proportional to 19,392,890.94, 29,017,482.01 and 15,543,036.81 is: 23,256,965.27
Step by Step Solution
- Step 1: Write the proportion equation
19,392,890.94 : 29,017,482.01 = 15,543,036.81 : x - Step 2: Convert to fraction form
19,392,890.94/29,017,482.01 = 15,543,036.81/x - Step 3: Cross multiply
19,392,890.94x = 29,017,482.01 × 15,543,036.81 - Step 4: Simplify right side
19,392,890.94x = 451,019,791,014,942.81 - Step 5: Solve for x
x = 451,019,791,014,942.81/19,392,890.94 - Step 6: Final answer
x = 23,256,965.27
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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.