Finding the Fourth Proportional to 9,127,836.09, 12,592,721.97 and 5,454,656.19
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Solution
The fourth proportional to 9,127,836.09, 12,592,721.97 and 5,454,656.19 is: 7,525,219.36
Step by Step Solution
- Step 1: Write the proportion equation
9,127,836.09 : 12,592,721.97 = 5,454,656.19 : x - Step 2: Convert to fraction form
9,127,836.09/12,592,721.97 = 5,454,656.19/x - Step 3: Cross multiply
9,127,836.09x = 12,592,721.97 × 5,454,656.19 - Step 4: Simplify right side
9,127,836.09x = 68,688,968,842,609.50 - Step 5: Solve for x
x = 68,688,968,842,609.50/9,127,836.09 - Step 6: Final answer
x = 7,525,219.36
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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.