Finding the Fourth Proportional to 7,108,740.12, 9,810,064.26 and 3,845,554.14
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Solution
The fourth proportional to 7,108,740.12, 9,810,064.26 and 3,845,554.14 is: 5,306,866.28
Step by Step Solution
- Step 1: Write the proportion equation
7,108,740.12 : 9,810,064.26 = 3,845,554.14 : x - Step 2: Convert to fraction form
7,108,740.12/9,810,064.26 = 3,845,554.14/x - Step 3: Cross multiply
7,108,740.12x = 9,810,064.26 × 3,845,554.14 - Step 4: Simplify right side
7,108,740.12x = 37,725,133,228,709.04 - Step 5: Solve for x
x = 37,725,133,228,709.04/7,108,740.12 - Step 6: Final answer
x = 5,306,866.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.