Finding the Fourth Proportional to 31,363,708.36, 43,274,089.93 and 18,806,734.04
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Solution
The fourth proportional to 31,363,708.36, 43,274,089.93 and 18,806,734.04 is: 25,948,599.28
Step by Step Solution
- Step 1: Write the proportion equation
31,363,708.36 : 43,274,089.93 = 18,806,734.04 : x - Step 2: Convert to fraction form
31,363,708.36/43,274,089.93 = 18,806,734.04/x - Step 3: Cross multiply
31,363,708.36x = 43,274,089.93 × 18,806,734.04 - Step 4: Simplify right side
31,363,708.36x = 813,844,300,136,552.12 - Step 5: Solve for x
x = 813,844,300,136,552.12/31,363,708.36 - Step 6: Final answer
x = 25,948,599.28
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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.