Finding the Fourth Proportional to 13,107,616.13, 19,647,783.23 and 7,341,896.81
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Solution
The fourth proportional to 13,107,616.13, 19,647,783.23 and 7,341,896.81 is: 11,005,204.58
Step by Step Solution
- Step 1: Write the proportion equation
13,107,616.13 : 19,647,783.23 = 7,341,896.81 : x - Step 2: Convert to fraction form
13,107,616.13/19,647,783.23 = 7,341,896.81/x - Step 3: Cross multiply
13,107,616.13x = 19,647,783.23 × 7,341,896.81 - Step 4: Simplify right side
13,107,616.13x = 144,251,997,019,908.50 - Step 5: Solve for x
x = 144,251,997,019,908.50/13,107,616.13 - Step 6: Final answer
x = 11,005,204.58
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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.