Finding the Fourth Proportional to 7,502,122.13, 10,352,939.09 and 4,064,363.19
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Solution
The fourth proportional to 7,502,122.13, 10,352,939.09 and 4,064,363.19 is: 5,608,826.92
Step by Step Solution
- Step 1: Write the proportion equation
7,502,122.13 : 10,352,939.09 = 4,064,363.19 : x - Step 2: Convert to fraction form
7,502,122.13/10,352,939.09 = 4,064,363.19/x - Step 3: Cross multiply
7,502,122.13x = 10,352,939.09 × 4,064,363.19 - Step 4: Simplify right side
7,502,122.13x = 42,078,104,525,386.28 - Step 5: Solve for x
x = 42,078,104,525,386.28/7,502,122.13 - Step 6: Final answer
x = 5,608,826.92
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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.