Finding the Fourth Proportional to 13,053,962.18, 19,578,771.56 and 3,953,896.18
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Solution
The fourth proportional to 13,053,962.18, 19,578,771.56 and 3,953,896.18 is: 5,930,186.48
Step by Step Solution
- Step 1: Write the proportion equation
13,053,962.18 : 19,578,771.56 = 3,953,896.18 : x - Step 2: Convert to fraction form
13,053,962.18/19,578,771.56 = 3,953,896.18/x - Step 3: Cross multiply
13,053,962.18x = 19,578,771.56 × 3,953,896.18 - Step 4: Simplify right side
13,053,962.18x = 77,412,430,080,176.64 - Step 5: Solve for x
x = 77,412,430,080,176.64/13,053,962.18 - Step 6: Final answer
x = 5,930,186.48
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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.