Finding the Fourth Proportional to 14,448,208.68, 19,938,375.99 and 7,921,822.01
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Solution
The fourth proportional to 14,448,208.68, 19,938,375.99 and 7,921,822.01 is: 10,932,031.03
Step by Step Solution
- Step 1: Write the proportion equation
14,448,208.68 : 19,938,375.99 = 7,921,822.01 : x - Step 2: Convert to fraction form
14,448,208.68/19,938,375.99 = 7,921,822.01/x - Step 3: Cross multiply
14,448,208.68x = 19,938,375.99 × 7,921,822.01 - Step 4: Simplify right side
14,448,208.68x = 157,948,265,661,545.66 - Step 5: Solve for x
x = 157,948,265,661,545.66/14,448,208.68 - Step 6: Final answer
x = 10,932,031.03
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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.