Finding the Fourth Proportional to 11,058,448.90, 15,260,399.39 and 6,413,064.07
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Solution
The fourth proportional to 11,058,448.90, 15,260,399.39 and 6,413,064.07 is: 8,849,877.58
Step by Step Solution
- Step 1: Write the proportion equation
11,058,448.90 : 15,260,399.39 = 6,413,064.07 : x - Step 2: Convert to fraction form
11,058,448.90/15,260,399.39 = 6,413,064.07/x - Step 3: Cross multiply
11,058,448.90x = 15,260,399.39 × 6,413,064.07 - Step 4: Simplify right side
11,058,448.90x = 97,865,918,945,556.94 - Step 5: Solve for x
x = 97,865,918,945,556.94/11,058,448.90 - Step 6: Final answer
x = 8,849,877.58
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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.